smart-arse(redirected from a smart-arse)
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rude slang One who makes jokes and uses sarcasm in an attempt to seem witty, but instead is deemed annoying. Primarily heard in UK. OK, smart-arse, are you going to help me, or just stand there mocking me all night?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.