smart-ass
US /ˈsmɑːrt.æs/
UK /ˈsmɑːrt.æs/
1.
a person who is irritating because they think they know everything and are quick to make clever, sarcastic remarks
:
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Don't be such a smart-ass, just answer the question directly.
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He always has a smart-ass comment for everything.
1.
behaving in an irritatingly superior and sarcastic way
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His smart-ass remarks always get him into trouble.
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I'm tired of your smart-ass attitude.