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English definition of “a boot/kick up the/your backside”

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a boot/kick up the/your backside

UK very informal ( US very informal a kick/boot in the/your backside)
the act of telling someone forcefully to start doing something more quickly or actively: She's so lazy - she needs a good boot up the backside.
Translations of “a boot/kick up the/your backside”
in Chinese (Traditional) 鞭策,督促…
in Chinese (Simplified) 鞭策,督促…
(Definition of a boot/kick up the/your backside from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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