Sketchball B: Tru that 'ho. I don't want my ass monkey fucking up my Pimp Committee.
Mutual Friend of Sketchballs A and B: I swear Sketchball B. If your ass monkey comes to one more meal with us I'm going to jump off a bridge.
Eytemology is unknown, but there are perhaps links to Wayne's World, and the line "Pshyeah, and monkeys might fly out my butt."
2:(n) a useless individual
3:(n) a combination of both in a supervisory position
2: "that assmonkey can't do anything without fucking it up"
3: "Eddie is such an assmonkey, how'd he get to be a supervisor? And what assmonkey made him a supervisor?"