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.
send someone to the showersand 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.