One who finds great pleasure in farting;releasing noxious fumes from their ass to the point where they either drop a buttnugget in their pants or on the floor
Keith: Oh man! You smell that?
John: Yeah, you need to go the bathroom!
Keith: No, I'm good for now. (keith farts again). Wow! That one felt good!
John: Dude! Go to the bathroom!
Keith: I think I'm done. (keith farts one more time). Oh wow! That one felt great!
John: Keith..one more time - go to the bathroom!
Keith: Oh man.. I just shit my drawers
John: You're such a masturbatorial buttnugget.
Keith: I'm going to the bathroom now.