The word ghetty is slang for ghetto. When someone says they are going to get ghetty, it means they are going to be doing something ghetto. Like smoking jank weed or committing a crime/felony.
When you just get done working your shift in the bush the you go over to a low grade chicks house finger blast the shit out of her then leave and never call again
Brandon- "ya man I totally just getto blasted that chick from rocky mountain house"