show someone the door

/SH OW1 S AH0 M W AH0 N DH AH0 D AO0 R/
verb
  1. 1

    To escort someone to the exit of the premises; to expel someone from a room, gathering, etc.

  2. 2

    (by extension, especially of a person) To dismiss, fire, or reject; to exclude someone who was formerly included.

Source: https://en.wiktionary.org/wiki/show%20someone%20the%20door