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 18, 2005

Gak

slang for cocaine - from the nauseating effects of doing too much, causing retching after a hefty snort.

man, that gak last night was cut, I was nearly blowing chunks.

by China White April 2, 2003

gakked

Past tense of "to gack", meaning to cough up a hair ball. Named for the sound a cat makes while doing so.

My cat gakked on the sofa.

by Dave42 October 13, 2005

Gak

Term used to describe puking or to say puking

The pile of poo make want to Gak

by Darkos.exe July 12, 2021

GAK

The sound you make when you hurl.

I’m gonna throw u- *GAK*

by ranboodrowning's biggest fan August 29, 2021

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 16, 2005

gak

Movie crew blanket terminology for any film items or equipment.

The Grips left all their gak on set again.

by Dave Walker June 5, 2005