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smart-arse

noun [C]
 
 
UK (US smart-ass) offensive

Definition

someone who is always trying to seem more clever than other people in a way that is annoying: I don't want some smart-arse from the city telling me how to manage my farm.Intelligent people
(Definition of smart-arse noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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