• To come or swing against something, or to shut, with suddenforce so as to produce a shock and noise; as, a door or shutterslams.

  • To [fuck] hard; to [pound].

  • to mainline or inject drugs. you can snort, smoke, or slam.

  • Used to describe a sub genre of Death metal. A slam riff is a really heavy, hard hitting mid paced riff, usually with a groove running through it which invokes violent moshpits.

  • (1) To one-up someone in an argument or in a put down
    (2) To illegally scam by adding charges to a person’s phone bill without their permission (Slamming senior citizens is a big business in Florida)
    (3) [Poetry] slams are highly charged get-togethers or contests in which poets and rappers exchange their works with inspired verbal presentations.
    (4) Slam [dancing] involves wild dancing (slamming bodies and thrashing limbs) among a large group of tightly packed participants

  • Filling a filthy whore's pussy with your swinging meat dangle.
    Stuffing some dripping meat drapes with your blue veined custard chucker.

  • Among thousands of other definitions, many of which have already been mentioned, a slam is a spoken-word poetry contest. They are high energy and very entertaining. Modern slam is connected closely with rap and freestyle rap.
    A slam is also a work of slam poetry.

  • To fall while skateboarding.

  • The term used when injecting speed (crystal methamphetamine), via syringe, into your blood.