(as) black as a stack of black cats

(as) black as a stack of black cats

Completely black; totally without light or color. The basement gives me the creeps. It's as black as a stack of black cats down there!
See also: black, cat, of, stack
Farlex Dictionary of Idioms.
See also:
  • (as) black as the minister's coat
  • minister
  • (as) black as ink
  • ink
  • (as) black as a raven's feather
  • (as) black as a skillet
  • (as) black as coal
  • skillet
  • black as a skillet
  • (as) black as (one's) hat