A layup that's made after the shooter crosses under the basket to lay the ball in from the other side, usually because the shot might have been blocked on the original side of attack.
line, turns, and explodes off of his outside (right) foot back to the basket and makes a reverse layup ...
If you have room, feel the contact (we talked about that last mail), then drop step, spin and go for the reverse layup. You may need the extra room and the net to help protect against the big guy blocking from behind.
See also: Basket, Layup, Basketball, Ball, Free throw