send to the showers

send (one) to the showers

To remove one from a particular situation for poor behavior or performance. Likened to an athlete being removed from a game and sent to the locker room (where one typically showers after the game is over). Coach will send you to the showers if you can't control your temper. I think it's high time the senator sent her press secretary to the showers. His comments to the media have been increasingly inflammatory.
See also: send, shower, to
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

send someone to the showers

 and send someone to the locker room
Fig. to order a player from the playing field, thus ending the player's participation for the day. The coach had sent four players to the showers before the end of the game. He was angry enough to send them all to the locker room.
See also: send, shower, to
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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