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English definition of “jerk”

jerk

verb [I or T, usually + adv/prep] uk   /dʒɜːk/ us    /dʒɝːk/
to make a short sudden movement, or to cause someone or something to do this: The car made a strange noise and then jerked to a halt. "What's wrong?" she asked, jerking her head up. to (force or cause someone or something to) suddenly behave differently, usually by understanding something or becoming active again: The shock of losing his job jerked him out of his settled lifestyle.
Phrasal verbs

jerk

noun [C] uk   /dʒɜːk/ us    /dʒɝːk/

jerk noun [C] (MOVE)

a quick sudden movement: She pulled the bush out of the ground with a sharp jerk. The alarm went off and he woke up with a jerk.

jerk noun [C] (PERSON)

(US also jerk-off) slang a stupid person, usually a man: You stupid jerk! You've just spilled beer all down my new shirt!
(Definition of jerk from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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