SCHLUMP is a playable word

schlump Scrabble® Dictionary

verb
schlumped, schlumping, schlumps
to go about lazily or sloppily dressed
60 Playable Words can be made from "SCHLUMP"
   2-Letter Words (7 found)
   3-Letter Words (13 found)
   5-Letter Words (13 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)