When a man and woman are having sex in the upright position, against a wall. The woman is with her back to the wall while the man faces her and deeply thrusts inside her. Usually, couples like to do this in front of a mirror. This position is good for getting the depth and roughness you crave.
I walked in on Adam and his wife while they were up-against-the-wall.
by Adam James June 10, 2007
Referring to a firing squad and many gun-execution vidoes, "Up against the wall emphasizes your will for the other person to die
"Get them Up against the wal
by Allen` January 14, 2004