- the act of tipping off
- a tip; confidential disclosure, hint, or warning
- A piece of confidential, advance, or inside information.
- An indication of an otherwise unknown fact or probability: The judge called for a pitcher of water, a tip-off that the session would be long.
An act of starting play at the beginning of a period with a jump ball. Also called tap-off .
Origin of tip-offtip 3 (kick)off