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English definition of “diss”

diss

verb [T] (-ss-) (also dis)     /dɪs/ US slang
to speak or behave rudely to someone, or to show someone no respect: Don't diss me, man!Insults and abuseTreating people or animals badly
(Definition of diss verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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