gak
A noun used to describe the smell that is produced by a person that has terrible B.O., mostly arising from their ass crack, that is bad enough to make you gag.
Also can be used as a verb in the same way.
Phew, that guy has gak.
Your B.O. makes me gak.
by Beckerson December 06, 2007
Top Definition
gak
Speed, meth, twick, crank, methamphetamine, Desoxyephedrine.
Ack! we're out of gak.
by Gakster October 22, 2003
gak
A popular Nickolodeon slime, available in many variations such as glow in the dark, speckled, cocoanut smelling, etc. Useful for making fart noises, grossing out friends or as sexual lubricant.
Sweetie, we ran out of KY gelly, go get some of your step daughter's Gak.
by Dameon Jackson January 17, 2005
gak
Means 'Generelle Abkürzung' (General Abbreviation) in German and can therefore be used for literally EVERYTHING.
-I LOVE you!
-gak?
~~
-gak gak gak?
-gak!
-gaaaaaaak?
-gak gak!! (gak...)
~~
-Hello!
-gak
by Luca November 19, 2003
Gak
popular slang word for coke or blow.
Man, let's go line up a couple of phatty gakkers bro.
by SlipStream May 17, 2003
gak
Movie crew blanket terminology for any film items or equipment.
The Grips left all their gak on set again.
by Dave Walker June 04, 2005
1) Usually a form of displeasure, as if someone were to yoink the last chip and leave you with nothing

2) The funny sound people make RIGHT before vomiting.

(1a) "Gak! That's my chip bitch!"

(2a) "Oh man... GAK! (hurk)"
by Zhunter March 14, 2007
gak
Slang term for the drug Crystal Methanphetamine, also known as: Speed, jab, ice, crank, dope, shard, wigg, sketch rock, tek.
A synthetic drug synthesized in 1887 by a German Chemist (L. Edeleano)
"He smoked so much gak he can't even blink, let alone fall asleep."
"I was so tired earlier this morning, but gak's got my back!"
by Jay Skathe September 15, 2005
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