To place one's ass upon another person's head. This is usually used when aggravated, or when one is being an asshat, hence the name. Verb: to asshat.
Person 1: "John just spilled my drink!"
Person 2: "What are you gonna do about it?"
Person 1: "Give him a good asshatting?"
Person 2: "What are you gonna do about it?"
Person 1: "Give him a good asshatting?"
by munleymunleyandcartwright May 25, 2012