box in

/B AA1 K S IH0 N/
verb
  1. 1

    To enclose by drawing a box around

  2. 2

    To immobilize something, usually a vehicle, by placing obstacles, usually other vehicles, obstructing the free movement

  3. 3

    To limit someone's freedom of thought, movement, expression, etc.

Source: https://en.wiktionary.org/wiki/box%20in