give someone the boot

/G IH1 V S AH0 M W AH0 N DH AH0 B UW0 T/
verb
  1. 1

    To fire, sack or eject someone.

    โ€œI am sorry for your husband and children, but I have to give you the boot.โ€

Source: https://en.wiktionary.org/wiki/give%20someone%20the%20boot