(I) won't tell a soul
(I) won't tell a soul
I won't reveal some confidential information to a single other person. A: "I heard Greg is getting fired, but I don't think even he knows yet." B: "Don't worry, I won't tell a soul." I'm so sorry, I didn't mean to pry! I won't tell a soul!
See also: soul, tell
Farlex Dictionary of Idioms.
- all in (one's) head
- don't even think about it
- cast (one's) lot in with (someone or something)
- cast lot in
- don't get me wrong
- bank on
- banking
- don't beat a dead horse
- come it (with one)