smart-ass
rude slang One who makes jokes and uses sarcasm in an attempt to seem witty, but instead is deemed annoying. Primarily heard in US. OK, smart-ass, are you going to help me, or just stand there mocking me all night?
smart ass
someone who makes wisecracks and acts cocky. (Potentially offensive. Use only with discretion.) Some smart ass came in here and asked for a sky hook. Don't be such a smart ass!
smart ass
n. someone who makes wisecracks and acts cocky. (Usually objectionable.) Don’t be such a smart ass!