When someone gets ridiculously wasted (high, drunk, etc.), so much so that they look disgusting and not at all like they are having fun. Usually they wind up looking dirty, greasy, possibly lecherous or like they just got out of a coma (eyes rolling back, etc.).
I'm kind of worried--Keith isn't just wasted, he's dirty-wasted. I'm not sure if he even knows where he is and he looks like shit.
by Krista S.P. March 14, 2007
Dirty Ghetto Waste Gash is oftenly used as an insult, in many cases it can lead to severe beatings and shoe marks in a males genitalia.
When Jack shouted " F&*k you, you Dirty Ghetto Waste Gash" at the Chav, he had to run as fast as he could or he wold get the shit kicked out of him. :D