(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