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English definition of “jerk”

jerk

noun [C] (MOVE)    /dʒɜːk/ US  /dʒɝːk/
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.Making short, sudden movements
(Definition of jerk noun (MOVE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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