diss on someone

dis(s) (on someone)

(ˈdɪs...)
in. to belittle [someone]; to show disrespect [for someone]. (From disrespect.) Gary is such a complainer. All he does is diss.
See also: diss, on, someone
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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