block in

block in

To prevent someone or something from moving from a certain spot. A noun or pronoun can be used between "block" and "in." I can't move my car because some jerk blocked me in! All these boxes are blocking in my tools at the back of the garage—I can't get to any of them.
See also: block
Farlex Dictionary of Idioms.

block (someone or something) in some place

 and block (someone or something) in
to place an obstacle that prevents someone or something from getting out of something. I can't get out of my parking space. Someone blocked me in my space. Don't block in any of the other cars in the garage.
See also: block, place
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • not do (someone or oneself) any favors
  • back into
  • back into (someone or something)
  • rescue from
  • rescue from (someone or something)
  • identify with
  • attune to
  • ask back
  • orient to
  • orient to (something)