by cath boys June 28, 2006
Very good marijuana bud. A superior strain of cannibus that has been found on display at the cannibus cup at least twice.
I got the GACK y0. y0y0 I'll give you 5 oz. of this gack I just got from vantown for a grand and a blowjob from your gf.
by Seattle (Big A) May 1, 2005
by JesusOfNazareth March 7, 2004
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 26, 2005
extremely high and lacking in cooridnation skills or natural grace. Developing temorary speech impediment or just a low volume mumble.
by Heather j November 6, 2006
An individual who is heavily under the influence of MDMA (ecstasy, caps, pills, etc.) namely characterised by their dilated pupils and gurning jaw.
by hellohi21 January 19, 2020
by *k!nG Br@nDoN* March 9, 2005