Answer:

washboard

AnswerCrossword Clue
WASHBOARDClean-up committee?
WASHBOARDJug band percussion instrument
WASHBOARDBumpy kind of road.
WASHBOARDKind of road
WASHBOARDAbs-like laundry tool
WASHBOARDAbs descriptor
WASHBOARDAdjective for fabulous abs