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!

by Psionics November 17, 2004

Gack

derogatory term for cunt

Get your Gack out!

My Gack smells fishey

by Jacko September 23, 2004

Gack

a name for a sexual organ, usually the female one.

oh man wouldnt mind of bit of that gack!

by maddawg 101 March 25, 2009

Gack

noun. - Ritalin, Concerta, Vyvance, Adderall, or any other Psycho-Stimulant ADHD Drug.
verb. - the state of mind when on any psychostimulant or adhd drug; usually one listed above

noun - Dude lets buy some Gack tonight.
verb - Dude lets get gacked out.

by ProjectDiesel December 17, 2008

gacked

to be gacked is to be under the influence of methamphetemine

as in "I was so gacked last night that I took apart my vcr and cleaned it now I can't gety it back together"

by jon thomas (chipper-shredder) January 25, 2005

gacked

extremely high and lacking in cooridnation skills or natural grace. Developing temorary speech impediment or just a low volume mumble.

"Too much amphedamines and three days of sleep deprivation has got me straight gacked yo."

by Heather j November 22, 2006

gacked

An individual who is heavily under the influence of MDMA (ecstasy, caps, pills, etc.) namely characterised by their dilated pupils and gurning jaw.

Why is Jack's clenching up so hard? He's gacked as

by hellohi21 January 18, 2020