let something drop

let something drop (or fall)

casually reveal a piece of information.
See also: drop, let, something

let something ˈdrop


1 do or say nothing more about somebody/something: I’ve heard enough about this subject. Can we let it drop now?
2 mention somebody/something in a conversation, by accident or as if by accident: He let it drop that the Prime Minister was a close friend of his.
See also: drop, let, something