This list includes 76 Slang words that start with G, from “GG” to “Guy”. They range from playful abbreviations and online lingo to regional and coarse terms used in everyday speech. Use this list for creative writing, dialogue, social posts, and quick reference.

Slang words that start with G are informal terms beginning with the letter G, often linked to region or online subcultures. For example, “GG” became common in gaming to mean “good game” and later spread into wider online use.

Below you’ll find the table with Word, Meaning, Example, Region, Register, and Source.

Word: The slang term itself, so you can quickly recognize, search for, or copy the exact form.

Meaning: A concise definition showing common sense and typical use, helping you understand the term at a glance.

Example: One short sentence showing the term used naturally, so you can see context and register in practice.

Region: The geographic or cultural area where the slang is common, which helps you judge local meaning and tone.

Register: A brief note on formality or offensiveness, so you know when it’s appropriate to use the slang.

Source: A short citation or note indicating where the word was observed or first recorded, aiding your further research.

Slang words that start with G

WordMeaningRegionRegister/Tags
GaffA house, apartment, or other place of residence.UKinformal, noun, common
GaffA mistake, blunder, or social faux pas.Globalinformal, noun, common
GaggingExtremely eager or desperate for something.UKinformal, adjective, common
GalootA clumsy, oafish, or foolish person.USinformal, pejorative, dated, noun
GammyInjured, sore, or not working properly.UK, AUSinformal, adjective
GanderA look or glance at something.Globalinformal, noun, common
GanjaMarijuana or cannabis.Globalinformal, noun, common
GasSomething excellent, fun, or entertaining.USinformal, noun, dated (1950s-60s)
GasTo hype someone up or give them excessive praise.AAVE, UKinformal, verb, current
GassedOverly excited, proud, or impressed with oneself.UK, USinformal, adjective, common
GawkTo stare openly and stupidly at someone or something.Globalinformal, verb, common
GeeA mild exclamation of surprise or enthusiasm.USinformal, interjection, dated
GeezerAn old man.USinformal, noun, sometimes pejorative
GeezerA man or a “bloke”.UKinformal, noun, common
GeekA person with an obsessive interest in a niche subject.Globalinformal, noun, common
Geek outTo talk enthusiastically about a subject of obsessive interest.Globalinformal, verb phrase, common
Get-goThe very beginning.USinformal, noun, common
GhettoMakeshift, of poor quality, or improvised.USinformal, adjective, sometimes pejorative
GhostTo abruptly end all communication with someone without explanation.Globalinformal, verb, common
GGAn acronym for “Good Game”.Globalinformal, gaming, acronym
GigA job, especially a temporary or freelance one.Globalinformal, noun, common
GimmeA contraction of “give me”.Globalinformal, verb, very common
GinormousExtremely large.Globalinformal, adjective, common
GitAn unpleasant, contemptible, or foolish person.UK, Irelandinformal, pejorative, noun, common
GlitzyExtravagantly showy or glamorous, often in a superficial way.Globalinformal, adjective, common
Glow-upA significant and positive transformation in appearance, style, or confidence.Globalinformal, internet slang, noun
GOATAn acronym for “Greatest Of All Time”.Globalinformal, sports/internet, acronym
GobThe mouth.UK, Ireland, AUSinformal, noun, vulgar
GobbyTalkative in a loud, opinionated, or rude way.UKinformal, adjective, pejorative
GobsmackedUtterly astonished or astounded.UK, AUSinformal, adjective, common
Go-juiceSomething that provides energy, like coffee, fuel, or an energy drink.USinformal, noun, playful
GomerAn inept or stupid person.USinformal, noun, dated, military slang
GonkA stupid or foolish person.UKinformal, noun, pejorative
GooberA silly, foolish, or naive person.US (Southern)informal, noun, playful
GoofA silly or foolish person; or a mistake.Globalinformal, noun, common
GoofballA silly, eccentric, or playful person.Globalinformal, noun, affectionate
GoonA stupid, foolish, or eccentric person; or a hired thug.Globalinformal, noun, pejorative
GorpTrail mix, typically containing nuts, raisins, and chocolate.USinformal, noun, hiking slang
GovyRelated to the government, often referring to welfare or bureaucracy.AUSinformal, adjective, noun
GrandA thousand dollars or a thousand pounds.US, UKinformal, noun, common
GranAn informal and affectionate term for a grandmother.Globalinformal, noun, common
GrassAn informer or police snitch.UK, AUSinformal, pejorative, noun
GrassMarijuana.Globalinformal, noun, dated but known
GravyA bonus or an easy profit; something desirable that is easily obtained.US, UKinformal, noun, common
GreasySleazy, unpleasant, or untrustworthy.Globalinformal, adjective, pejorative
GreenNaive, new, or inexperienced.Globalinformal, adjective, common
GreenMoney, especially paper currency like the US dollar.USinformal, noun, common
GreezeFood, especially hearty, greasy, or fast food.UK (London)informal, noun, slang
GriftTo engage in petty swindling or confidence tricks to get money.USinformal, verb, common
GrifterA person who engages in petty swindles; a con artist.USinformal, noun, common
GrindHard, repetitive, and monotonous work or an arduous routine.Globalinformal, noun, common
GripA large amount of money.AAVEinformal, noun
GrodyDisgusting, dirty, or repulsive.USinformal, adjective, dated (1980s)
GrogAny alcoholic beverage, especially beer or spirits.AUSinformal, noun, common
GrokTo understand something completely and intuitively.USinformal, verb, geek culture
GromA young surfer or skateboarder.US, AUSinformal, noun, subculture slang
GronkA stupid, oafish, or unlikeable person; an idiot.AUS, NZinformal, noun, pejorative
GroupieAn enthusiastic fan of a celebrity who follows them around.Globalinformal, noun, often pejorative
GrooveA state of enjoyment or a pleasurable routine.Globalinformal, noun, dated (1960s-70s)
GroovyExcellent, fashionable, or cool.USinformal, adjective, dated (1960s)
GroundedForbidden from leaving the house as a punishment.USinformal, adjective, common
GrubFood.Globalinformal, noun, very common
GrubbyDirty, unkempt, or slightly sordid.Globalinformal, adjective, common
GrundiesUnderwear, particularly men’s underpants.AUSinformal, noun, plural, playful
GuffNonsense, empty, or foolish talk.Globalinformal, noun, common
GucciGood, cool, or fine.USinformal, adjective, current
GullyRaw, authentic, or associated with street life.AAVE, Hip-Hopinformal, adjective
GumshoeA detective or private investigator.USinformal, noun, dated
GumptionResourcefulness, courage, and common sense.Globalinformal, noun, common
GungeA thick, slimy, and unpleasant substance.UKinformal, noun, common
GunningActively seeking or pursuing something or someone.Globalinformal, verb
GurnTo pull a grotesque or distorted facial expression.UKinformal, verb
Gussy upTo dress up or decorate in a fancy, showy way.USinformal, verb phrase, dated
GuttedBitterly disappointed and devastated.UK, AUSinformal, adjective, common
GutsCourage, bravery, or nerve.Globalinformal, noun, common
GuyA man; can also refer to people in general.Globalinformal, noun, very common

Descriptions

Gaff
This is a very common way to refer to your own home. For example: “Are we going to your gaff or mine after the pub?”
Gaff
This word describes an embarrassing error or mistake. For example: “He made a real gaff when he forgot the client’s name.”
Gagging
Often used to express a strong desire or need. For example: “I’m absolutely gagging for a cup of tea.”
Galoot
A charmingly old-fashioned insult for someone who is a bit of a klutz. For example: “Some great galoot just spilled his drink all over me.”
Gammy
This is typically used to describe a limb, like a leg or an arm. For example: “I can’t run today because of my gammy knee.”
Gander
A quick and casual way to say you’re taking a look. For example: “Let’s have a gander at the menu before we go in.”
Ganja
This term for marijuana has Jamaican and Indian roots and is recognized worldwide. For example: “He was caught trying to smuggle ganja.”
Gas
A classic bit of mid-century slang for a really good time. For example: “That party was a real gas!”
Gas
This modern usage means to boost someone’s ego, sometimes insincerely. For example: “She’s gassing her friend up about her new outfit.”
Gassed
Used to describe someone who is feeling very confident or hyped up. For example: “He was so gassed after he won the match.”
Gawk
Describes a kind of dumbfounded or rude staring. For example: “Don’t just gawk, help them pick up their books!”
Gee
Short for “Jesus,” this was a popular, polite way to express surprise. For example: “Gee, I wasn’t expecting to see you here!”
Geezer
In the US, it refers to an elderly, often eccentric, man. For example: “Some old geezer was complaining about the music.”
Geezer
In the UK, it’s a general, often affectionate, term for a man. For example: “He’s a proper geezer, a real diamond.”
Geek
Once an insult, “geek” is now often a neutral or proud label for a passionate expert. For example: “She’s a total film geek.”
Geek out
This is what a “geek” does when they get excited about their favorite topic. For example: “We started to geek out over the new video game.”
Get-go
A common and folksy way of saying “from the start.” For example: “I knew it was a bad idea from the get-go.”
Ghetto
Describes something jury-rigged or crudely made. For example: “He fixed the pipe with duct tape, which was a bit ghetto.”
Ghost
A very common term in modern dating for disappearing from someone’s life. For example: “I thought we had a great date, but then she ghosted me.”
GG
Said at the end of a video game match as a sign of sportsmanship. For example: “We lost, but it was close, so I typed ‘gg’.”
Gig
Originally for a musician’s performance, it now means any short-term work. For example: “I have a writing gig for a local magazine.”
Gimme
A casual, sometimes childish, way to ask for something. For example: “Gimme a break, I just got here!”
Ginormous
A playful blend of “gigantic” and “enormous” to describe something huge. For example: “She brought a ginormous suitcase for a two-day trip.”
Git
A common and fairly mild insult in British English. For example: “You silly git, you’ve locked the keys in the car!”
Glitzy
Describes something that is sparkling and attractive but might lack substance. For example: “We attended a glitzy awards ceremony in Hollywood.”
Glow-up
Used to describe someone’s impressive personal improvement over time. For example: “She had a major glow-up after she graduated.”
GOAT
Used to praise a person considered the absolute best in their field. For example: “Many people consider Michael Jordan the GOAT of basketball.”
Gob
A blunt and common slang term for the mouth. For example: “Shut your gob, you’re talking too loud!”
Gobby
Used to describe someone who talks too much and has a big mouth. For example: “I can’t stand him, he’s so gobby.”
Gobsmacked
A brilliant word for being so surprised you’re left speechless. For example: “I was gobsmacked when I heard they were getting married.”
Go-juice
A fun term for anything that gets you or a machine going. For example: “I need some go-juice before I can start my day.”
Gomer
Popularized by the TV show “Gomer Pyle, U.S.M.C.,” it refers to a clumsy person. For example: “Don’t be a gomer, follow the instructions.”
Gonk
A mild, almost silly-sounding insult for someone acting foolishly. For example: “I felt like a right gonk when I tripped on the stairs.”
Goober
A gentle insult, also the Southern word for a peanut. For example: “Bless his heart, he’s a sweet kid but a total goober.”
Goof
Can refer to a person or the mistake they made. For example: “I made a goof and sent the email to the wrong person.”
Goofball
A more affectionate term than “goof” for someone who is comically silly. For example: “My little brother is such a goofball.”
Goon
Can mean a silly person or, more menacingly, a hired heavy. For example: “The villain sent his goons to rough them up.”
Gorp
An acronym for “Good Old Raisins and Peanuts,” used by hikers. For example: “We packed some gorp for energy on our hike.”
Govy
A uniquely Australian abbreviation for government matters. For example: “He’s getting the govy payment while he looks for a job.”
Grand
A very common slang term for a sum of 1,000 units of currency. For example: “The car repairs cost me two grand.”
Gran
A clipped, familiar way to refer to one’s grandmother. For example: “I’m going to visit my gran this weekend.”
Grass
Someone who “grasses” on others tells the authorities about their crimes. For example: “No one trusts him because he’s a known grass.”
Grass
A classic, though somewhat dated, slang term for cannabis. For example: “The cops found a bag of grass in his car.”
Gravy
Often used in the phrase “it’s all gravy,” meaning it’s all good. For example: “Anything over our target is just gravy.”
Greasy
Describes a person or situation that feels dirty or dishonest. For example: “That greasy salesman tried to rip me off.”
Green
Refers to someone who is new to a situation and lacks experience. For example: “He’s a bit green, so show him how it’s done.”
Green
A simple slang term for cash based on its color. For example: “You need a lot of green to buy a house in this city.”
Greeze
A term from London’s grime music scene for a meal. For example: “Let’s go get a greeze after this, I’m starving.”
Grift
Describes the act of cheating someone out of money through deception. For example: “He tried to grift tourists with a fake charity.”
Grifter
This is the person who performs the “grift.” For example: “She was a known grifter who preyed on the elderly.”
Grind
Refers to the daily struggle or effort required to achieve a goal. For example: “You have to respect the daily grind of a small business owner.”
Grip
A term originating in African American Vernacular English for a big wad of cash. For example: “He just got paid and has a grip in his pocket.”
Grody
A quintessential piece of 80s “Valley Girl” slang. For example: “Ew, don’t touch that, it’s totally grody.”
Grog
In Australia, grog is a general term for alcohol. For example: “We’re heading to the pub for a few grogs.”
Grok
Coined by author Robert Heinlein, it means to understand deeply. For example: “It took me a while, but I finally grok the concept.”
Grom
A term used within surf and skate culture for a young participant. For example: “The beach was full of groms learning to surf.”
Gronk
A popular insult in Australia and New Zealand. For example: “Tell that gronk to turn his music down.”
Groupie
Originally for music fans, it implies a desire for intimacy with the star. For example: “She was a famous groupie in the 70s rock scene.”
Groove
Associated with the music and culture of the 60s and 70s. For example: “Once the band started playing, everyone got into the groove.”
Groovy
The ultimate 1960s slang word for something that is cool or appealing. For example: “Wow, man, that’s a groovy shirt.”
Grounded
A very common disciplinary tactic for teenagers. For example: “I’m grounded for a week because I missed my curfew.”
Grub
A simple, no-frills, and very common slang word for food. For example: “What’s for grub tonight? I’m hungry.”
Grubby
Describes something that is physically or morally unclean. For example: “His clothes were grubby after working in the garden.”
Grundies
A humorous and uniquely Australian term for underwear. For example: “Don’t forget to pack a clean pair of grundies.”
Guff
Used to dismiss what someone is saying as meaningless. For example: “Don’t give me any guff, just tell me the truth.”
Gucci
Derived from the luxury brand, this means everything is going well. For example: “Don’t worry about me, it’s all Gucci.”
Gully
Describes something that is real and not polished, originating from the streets. For example: “His lyrics are so gully and true to his experience.”
Gumshoe
Classic slang from the era of film noir and hardboiled detective stories. For example: “The gumshoe followed the suspect through the rainy streets.”
Gumption
Describes a spirited initiative and drive. For example: “She had the gumption to start her own business.”
Gunge
Famously used on kids’ TV shows, it refers to any messy goo. For example: “The sink was blocked with some horrible gunge.”
Gunning
Often used to mean looking for a fight or trying hard to achieve a goal. For example: “He’s gunning for a promotion at work.”
Gurn
A very specific term, often associated with competitions to make the ugliest face. For example: “He can gurn better than anyone I know.”
Gussy up
A charmingly old-fashioned phrase for getting dolled up. For example: “We all got gussied up for the big party.”
Gutted
A very strong expression of deep disappointment. For example: “He was absolutely gutted when his team lost the final.”
Guts
Refers to the courage it takes to do something difficult. For example: “It takes a lot of guts to stand up to a bully.”
Guy
Once slang, “guy” is now a standard informal term for a person. For example: “Ask that guy over there for directions.”
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