to mouth a distasteful object
Person 1: aww man - Bite Me!
Person 2: put the greasy fetid pork product in your mouth and suggit!
Person 2: Dood, that's gross!
The correct response to someone asking you to do something that you don't want to.
Person 1: Hey, do this.
Person 2: No. Suggit!
Person 1: Dude, I totally understand.