noun

1. A sudden impact or blow.

2. The shock and noise produced by violently closing a door or other object.

3. A slam dunk.

verb

1. To shut with sudden force so as to produce a shock and noise.

   “Don't slam the door!”

2. To put in or on a particular place with force and loud noise. (Often followed by a preposition such as down, against or into.)

   “Don't slam that trunk down on the pavement!”

3. To strike forcefully with some implement.

Synonyms: bang