CRUD

Disgusting waste matter (4)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,321 — 2022-08-28 23:00:10
  3D: Foul substance (informal) (4)
• Quick crossword No 15,484 — 2019-12-23 00:00:29
  9A: Disgusting waste matter (4)