between you and me
Definition from Wiktionary, the free dictionary
- In confidence; used to impose an obligation to keep something being discussed secret.
Between you and me, I think the boss is crazy.
Let’s keep this conversation between you and me.
This is just between you and me.
- between ourselves
- between you and I (proscribed)
- between you and me and these four walls
- between you, me, and the bedpost