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!
作者 Psionics 2004年11月17日
Term used by live and recording soundmen to describe old and broken audio equipment
Take that out of the rack and put it with the rest of the gack in corner
作者 R Caron 2003年12月04日
to kill someone, something or some idea.
imma gack dat be-yotch!
作者 Nietzche 2003年7月01日
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.
作者 BrightApollo 2003年3月07日
A man or women's discharge I.E. His or her cum.
I gacked all over her.Or she gacked in my mouth...
#man goo #wad #tastey juice #cum #jizz
作者 cath boys 2006年6月28日
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.
#gack #ritalin #adhd #stimulant #pill
作者 ProjectDiesel 2008年12月08日
expression used when a hockey player does something significant while playing in a hockey game
GACK! <insert french canadian or eastern european name here> just scored!
作者 JesusOfNazareth 2004年3月06日
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