mine is mine what's yours is mine what's.
What's yours is mine, and what's mine is mine. What's yours is mine, and what's mine is mine. Prov. A humorous way of saying, Everything belongs to me.; (A jocular variant of What's yours is mine, and what's mine is yours, an expression of generosity.) I know you won't mind lending me your radio. After all, what's yours is mine, and what's mine is mine.