Robb: "What kind of cracker would you like with this tuna dip?"
Jim: "I prefer a Triscuit over some other flimsy cracker."
Robb: "Yeah, a Triscuit has got some ass on it."
When the result of an insulting joke is on you. This term is used to describe your misfortune. It is often used in a loud voice to let surrounding persons know of your failure or embarrassment; something you know you cannot undo or escape. Also used to spitefully point out and enjoy the humiliation of another.