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Often used to describe a senario ...Means Game over /or Finished. Not happening and words to that effect.
Almost 24 hours in my bed. I am g.o.

This football match is g.o look at the state of the pitch.
G.O by thenamesarnold January 12, 2011
Good one.

Used in a sarcastic manner, to emphasize a bad joke or a failing attempt at any type of humor.
Fred: "Yeah, she was an honor student."

Johnny: "YOUR MOM'S AN HONOR STUDENT!"

Fred: ".....G.O."
G.O. by Stee21 December 25, 2010
G.O. Short for game over when texting or short chat

Game over... finished, through, The End!, the buck stops here, ...!
U made ur last move n this relationship g.o.! gb!

game over finish finished over through done end, the end break up canceled
g.o. by fashionvixon90 June 21, 2010
Game Observer
1. Someone who watches someone else play video games but does not partake in it.
2. Someone who usually just watches walkthroughs/let's plays for fun.
3. Someone who watches entire video game series but does not play them.
"Jill loves playing Assassin's Creed but is a G.O when it comes to battlefield."
G.O by Spinsomelight November 5, 2013
An evil dude who appears in i ready balloon breaks.
G.O. by ANTIFAMAN2008 February 25, 2024
An evil dude who appears in i ready balloon breaks.
G.O. by ANTIFAMAN2008 February 25, 2024
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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