schloomp

schlump

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.

schloomp

and 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.

schlump

verb
See schloomp
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • schlump
  • shlub
  • shlump
  • schlub
  • zhlub
  • zhlubby
  • schlubby
  • jerkwater town
  • that's hardly saying much
  • that's not saying much