let it drop

let it drop

1. To cease discussing or dwelling upon a given subject. Look, we can't afford a new car right now, so just let it drop already!
2. To accidentally or inadvertently reveal a given secret or important piece of information. I can't believe your sister let it drop that we're engaged in front of your parents!
See also: drop, let
Farlex Dictionary of Idioms.

let it drop (or rest)

say or do no more about a matter or problem.
See also: drop, let
Farlex Partner Idioms Dictionary

let it

/'er rip Informal
To allow something to start or happen with vigor or energy.
See also: let
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • let it
  • let (something) drop
  • let drop
  • let it rest
  • let (something) rest
  • let something lie
  • let (something) lie
  • look about
  • chance upon (someone or something)
  • be in the right place at the right time