v. & n.
v. (slammed, slamming) 1 tr. & intr. shut forcefully and loudly. 2 tr. put down (an object) with a similar sound. 3 intr. move violently (he slammed out of the room). 4 tr. & intr. put or come into sudden action (slam the brakes on). 5 tr. sl. criticize severely. 6 tr. sl. hit. 7 tr. sl. gain an easy victory over.
n. 1 a sound of or as of a slammed door. 2 the shutting of a door etc. with a loud bang. 3 (usu. prec. by the) US sl. prison.
[ prob. f. Scand.: cf. ON slam(b)ra ]