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English definition of “sicko”

sicko

noun [C]     /ˈsɪk.əʊ/ US  /-oʊ/ (plural sickos) slang
someone, especially a man, who is mentally ill or who performs unpleasant , often sexual , acts : She's afraid of being attacked in the park by a sicko.Strange, suspicious and unnatural things and people sicko     adjective
(Definition of sicko noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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