Top definition
the best asian last name in the world. not very common, but special. spelled by most white kids goo,
prounounced goo.

people with the last name gu are always smart. the girls are hott and the boys get girls.
"hey gu, whats the homework?"

"Hey did you hear george gu got his girl classmates to like him at the age of 10?"

"oh yeah, of course, hes a gu."
by gg&hgGU August 11, 2009
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2
Short for Geographically Undesirable. A man or woman who lives so far away that dating them becomes inconvenient.
I broke up with that cute girl I was dating because the long drive to her house made her GU.
by Krankiboy December 01, 2007
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Donkey Punch Plush

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3
Some stupid acronym that fake people made up so they couldn't be interested in someone that they actually like because they live a distance incompatible with their fakeness, acronym for "geographically undesirable."

Sarah: "wow that Todd guy is totally nice and all, I would sure like to date him"
Tania: "He lives in Texas"
Sarah: "Damn what a GU"
Todd: "I wasn't interested in you anyway you fake bitch"
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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4
Giving Up. This can refer to anything in relation to what you're giving up on.
G.U. Good luck doing our project alone.
by InkLadyJ January 20, 2017
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Golden Shower Plush

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5
"geographically undesirable" - lives too far away to date conveniently
He was totally G.U.- he lived outside the beltway so it was always a huge hassle to get together.
by Pagan Marbury July 19, 2006
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6
A person who is both smart at things he wants to learn, but needs to take a break once in a while.
Hey Gu, Stop getting A's!

To Gu or Not to Gu, that is the question.
by Scott October 27, 2003
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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7
"Great guy and all, but totally gu -- he lives all the way in Boerum Hill!"
by zooa November 03, 2003
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Golden Shower Plush

He's warmer than you think.

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