To disclose information to the public or to appropriate authorities concerning the illegal or socially harmful actions of a person or group, especially a corporation or government agency.
To make a piercing sound which signals a referee's action or the end of a game.
To relinquish; give up; to tell on someone to the authorities (especially to turn someone in).
To convert a goal using a turning motion of the body.
To submit something; to give.
To go to bed; to retire to bed.
To reverse the ends of threads and insert them back into the piece being woven so they do not protrude and eventually unravel.