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English definition of “motherfucker”

motherfucker

noun [C] uk   /ˈmʌð.əˌfʌk.ər/ us    /-ɚˌfʌk.ɚ/ (also mother)
mainly US offensive an extremely insulting name for someone you hate or for someone who has made you angry: If that motherfucker touches my car again, I'll break his fingers! US offensive an extremely unpleasant thing: That was a motherfucker of an exam.
motherfucking
adjective uk   /-ɪŋ/ US offensive us  
He's a motherfucking son of a bitch.
(Definition of motherfucker from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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