clean as a new pin

(as) clean as a new pin

Clean, tidy, and very neat. I expected Danny's student apartment to be a total mess, but it was as clean as a new pin!
See also: clean, new, pin
Farlex Dictionary of Idioms.

clean (or neat) as a new pin

extremely clean or neat.
See also: clean, new, pin
Farlex Partner Idioms Dictionary
See also:
  • (as) clean as a new pin
  • be (as) clean as a new pin
  • (as) bright as a new pin
  • (as) neat as a pin
  • clean-up operation
  • operation
  • clean up
  • you could eat off the floor(s)
  • clean (someone or something) out of (something)
  • clean out of