Usually means “shit” or “bad”. Common in northen ireland smick talk.
“This partys gak

I hate school, its fuckin gak”
by Beckfast November 21, 2017
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What you say in the middle of winter in Vancouver when you open yr front door and it’s gray, very cold and raining hard as fuck.
(Unlock door) look out and see shit weather and say GAK!!
by 9 inch Jack. November 22, 2017
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gak is a word to describe hermione’s disgusting smelly farts
ew hermione that’s gak
by princesspeach23 December 29, 2021
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used for sweets and chocolate. basically anything that was sugery.
To a child, "here's a £1,go get some gak"
by LizardQueen. February 28, 2021
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Another word for a dickhead. Has a really nice harsh ending to emphasise the persons dickheadedness.
Omdddzzz you GAK what are you doinggg!

Whatever you GAK!
by Man Like Gak April 9, 2022
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To consume drugs, usually MDMA and marijuana, in a house setting.
“Man, I can barely remember that gak last weekend I was beaming so hard”
by IcrywhenImasturbate July 29, 2018
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Generic Asian Kid
- someone who isn't down or lame
"That guy is such a GAK. He left the party early to go watch Spongebob"
by Calvinisagak December 30, 2015
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