short for " good kid"

opposite of a bad kid who sucks ass
(after getting beat in a video game)

Dudebro- wow we got slapped

Broseph- I know dude i hate it when we face a gk
by Alex ZaBs April 11, 2010
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The legend, Gk Singh, the drippiest Sardar, and a God himself.
Gk Is running for president in 2044!
by GK Baba Ki Jai! March 5, 2020
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horny? Gk for better orgasm

Gk is contraceptive

I thought her pussy was tight but when I insisted GK style... anal sex is a THOUSAND times more fucking awesome

Gk, as long as the position you fuck her in has her ass BELOW her pussy, anal sex is contraceptive (and not abortifacient like pussy on birth control)

Gk on the phone or cyber with her

Gk and jerk off to the sex video you shot with your girlfriend

The better your refractory period the more awesome Gk

If your girlfriend won't let you Gk in her ass dump her.

If a girlfriend refuses to Gk do a fucking video dump her.
by bluntly July 8, 2012
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wow Alex is such a GK. he must run the gkc (good kid club).
by TheOGhodge December 14, 2009
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Short for Gumma Killer, used as another word for pimp; someone who gets alot of women.
James: "Justin is with a couple of girls tonight"
Troy: "Really? He's such a GK!"
by Vendawish February 8, 2010
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An online gaming clan that originated in 1998 in dark dusty basements in the Pacific Northwest (USA). The clan originally played Rainbow Six, but has since moved on to Battlefield 1942 and the subsequent releases and Mods. Many perpetrate to be GK, in fact many have stolen the name in hopes of contracting some of the skills possessed by the founding father. A clan in Europe has even made a website calling themselves GK. There is only one true GK!

The original founding fathers included:
GK_SWooP, GK_joneZr, GK_Slick, GK_Nooch, GK_Money$hot, and GK_Wheelsofsteel.

The meaning of GK is a secret held by the clan members themselves.

GK's have sworn oath to kill all smacktards.

"Bring it on Bitches" ~ GK_Money$hot
GK_Money$hot (M16): Smacktard
by Money$hot July 23, 2004
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A “GK” is short form of ‘Great King
You are one of the most renowned GK…
by Akii_1 March 20, 2023
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