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crank

noun [C] (PERSON)
 
 
/kræŋk/ informal

Definition

a person who has strange or unusual ideas and beliefsStupid and silly people US an unpleasant and easily annoyed person: She's always a crank first thing in the morning.Unpleasant people in generalUnpleasant men
(Definition of crank noun (PERSON) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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