corner up

verb4

1. •
   (informal) To be in a corner (of a room); to trap or be trapped by assailants in the corner of a room.
2. •
   (informal) to corner or be cornered (To trap in a position of great difficulty or hopeless embarrassment).
3. •
   (slang) To sell drugs on a street corner; to go to such a spot to sell drugs.
4. •
   (old-fashioned) To form one or more corners.

   • Those two properties cornered up in the vicinity of Main Street.
   • The fenceposts will corner up the yard.