slang A dull, dowdy, or untalented person; someone who is generally unattractive or unremarkable. From Yiddish. I'll never understand why a knockout beauty like Sarah is with a schlump like him. The tribute band, as it were, was just a bunch of schlumps in cheap costumes and makeup attempting to play KISS's greatest hits.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
schloompand schlump and shlump (ʃlump and ʃlʊmp)
n. a stupid and lazy person. (From German via Yiddish.) Tell that schloomp to get busy or get out.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.