gack

gack is a word meaning unpleasant repulsive disgusting hideous nauseating can be applied to ppl food drink music and pete doherty!

jesus look at her shes a pig shes gack!!
this lasagne is gack who th hell taught you to cook??!!
pete doherty is gack!

by johnireland November 18, 2007

Gack

Cum sperm when shot on the floor you might need a mop to clean it up cause bella ant doing it

i let him shoot his gack on the wall not me cause i am bella

by Jukebox January 21, 2008

gack

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

by R Caron December 4, 2003

gack

the hard crusty substance found on a mans used underpants

Deirdre: jesus john, the gack on your boxers! no way i'm riding you now!!!

by Griffin.vsMcCahill November 18, 2007

gack

to kill someone, something or some idea.

imma gack dat be-yotch!

by Nietzche July 1, 2003

gack

verb: to choke under pressure.

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

by R. Snot August 29, 2003

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.

by BrightApollo March 7, 2003