Gak 

Someone who's septum erodes due to snorting too many drugs. Also a nickname for cocaine itself.

Ha you can tell that gak's had a bit too much coke!

Gak by S:RM January 27, 2008

Gak 

A word used, when no other explanation of how one feels can be explained in certain situations.

Jessica: "Don't even worry about it."
Me : "gak"

Gak by Snagless August 7, 2012

gak 

Similar to a circus "geek", a "gak" is a circus performer who sucks farts out of chickens.

It was amazing how the circus gak was able to withdraw flatulence from the hens and roosters.

gak by J.J.W. January 25, 2005

gak 

cat or dog vomit

"What IS that over there on the carpet?"

"It kind of looks like cat gak..."

gak by bmyos May 14, 2012

gak 

vaginal mucus

the smell of gak off yer one!

she emits a distinct aroma of cervical discharge..

gak by scabbard=mucus December 7, 2009

Gak 

1. random word to shout
2. don't have anything to say? say GAK

Guy 1-walks through door-

Guy 2:Hey what up?

Guy 1:GAK!!!

Gak by AWESOMEGAKCONSOLIABLE October 17, 2008

Gak 

A word used when you are unable to make yourself say anything else. A bit like a stunned silence, without the dignity of actually staying silent.

Leisha: OMG there's Justin Beiber!
Justin Beiber: Hey sexy lady.
Leisha: GAK !
Justin Beiber: Wow, you're a retarded fan who is too stunned to say anything because of my amazing hair.
Leisha: GAK !

Gak by aaaaFiance July 7, 2010