tip off

Verb

 * 1)  To alert or inform (someone), especially confidentially.
 * 2)  To put the ball in play by throwing it up between two opponents.
 * 3)  To begin.
 * The game tips off in an hour, so hurry back!
 * 1)  To pour out (liquor); to tip the vessel and drink until it is empty.
 * 2)  To use a particular brush technique for producing a flawless surface on a wet coat of paint.
 * 1)  To pour out (liquor); to tip the vessel and drink until it is empty.
 * 2)  To use a particular brush technique for producing a flawless surface on a wet coat of paint.

Synonyms

 * ,, ; See also Thesaurus:rat out