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Stands for Great American Chimp-Out. When a minor dispute turns into an out of control shitstorm. Hair is pulled, faces scratched, property destroyed, punches thrown, everyone else wants to join in.
Did you see that GACO at Waffle House the other day? Looked like a zoo where the animals escaped their cages and overthrew their keepers. Someone should post it to YT.
GACO by Kindkiller July 26, 2022
Related Words
"Gacob" is slang for when two people look similar. It is often used as a question. (Gacob?) this term originates from combining the names Gabe and Jacob and is now universally used as a compound word to describe two people that look alike.
"Wow he looks just like you, is that a Gacob?"
gacob by Saggy T November 27, 2018
-Condition/Sickness
(GOT/GETTING A CRUSH ON U)

A condition or non-contagious sickness that can come and go with little notice.
It is not a lethal sickness, but can cause minor to major stress to the brain, which can then cause the host to harm themselves. (i.e. Go EMO) This varies from person to person.
Some claim it is contagious, but theories have been crushed with the explanation and understanding of "FREE WILL".
Usually starting within the human brain, GACOU can sometimes lead itself to the heart if not treated. This condition then becomes LOVE.
If someone's GACOU, you may choose to treat it with rejection and/or by ignoring/avoiding them as much as possible.
Usually, when two hosts of this condition intertwine feelings, it can lead to ACOE (A Crush On Eachother) before it becomes LOVE. Only provided that the condition/sickness isn't treated immediately.
"Hey Susan, I think Fred's GACOU."

"What's wrong with us? Oh nothing too big.. we've just got ACOE."
GACOU by ShyGuy2o4 January 12, 2009

Steve Gacoub 

Steve Gacoub, some random dude in the friend group who gets bullied.
Hey, Steve Gacoub is here, he's such a fucking nerd!

crazy mexican gacona's 

a psycho!!! or someone of Mexican descent that is in a gang that does crazy things!!
look out for that crazy Mexican gacona!!
wow he's a crazy Mexican gacona's
shit crazy Mexican gacona's!!!!

Gacombosy 

A very, very, VERY gay person in the group who is disliked for being an asshole.
vDribble_combos is a very gacombosy person.
Gacombosy by Bruh Guy Moments August 20, 2020