A variation of smart ass, but reserved for those who are both sarcastic and intelligent at the same time.
Person 1: If I didn't know you better, I'd think that you're being sarcastic.
Person 2: You dingle-berry, I'm ass smart.
Person 2: You dingle-berry, I'm ass smart.
by M Christensen2 November 25, 2006
by M Christensen2 November 25, 2006