tip-off
noun
[ ˈtɪpɒf ]
• a piece of information given in a discreet or confidential way.
• "arrests came after a tip-off from a member of the public"
Similar:
piece of information,
message,
alert,
prompt,
warning,
forewarning,
hint,
idea,
cue,
clue,
lead,
information received,
evidence,
advice,
information,
notification,
• an act of starting a game or period by means of a jump ball in the centre of the court.
• "the news of his injury came just two hours before tipoff"
tip off
• put the ball in play by throwing it up between two opponents.