gack

to kill someone, something or some idea.

imma gack dat be-yotch!

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gack

verb: to choke under pressure.

He would have taken the lead, but gacked on a 2-foot putt.

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gack

The unknown fluid or mass created as a result of decomposition.

Dude, you gotta bury that roadkill. That gack is starting to run down the hill.

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Gack

The noise that animate objects make when you sharply grab their neck. Most commonly found in birds and humans.

Father: Go ahead and grab it son.
Son: Ok.
Little Boy: gaaacck
Son: Haha! This is fun.
Little Boy: *gasp* aack gaaah!

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gack

food that sticks to the roof of your mouth, also the process of food getting stickier the more you chew it

"this food is really gacky"

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gack

A man or women's discharge I.E. His or her cum.

I gacked all over her.Or she gacked in my mouth...

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gacking

When your cat gets a random huge energy burst and runs around the house jumping on stuff and knocking things over like a little shit head.

I didn't get much sleep cause my cat was gacking all night.

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