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English definition of “sit on your arse”

sit on your arse

UK (US sit on your ass) offensive
to do nothing, especially when you should be doing something: She just sits on her arse all day, while I do all the work.Passive and not workingAvoiding actionLaziness and lazy people
(Definition of sit on your arse from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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