MGW involves a mexicanagetting wasted off bud light. That will lead into cussing out her enemy in Spanglish, they will throw blows & spend the night in jail.
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