A particular form of fraud in which an unscrupulous phone company switches you from your chosen long distance carrier to them, without your consent or knowledge.
Get your PIC frozen, or some company with high LD rates can slam you.
by Downstrike July 15, 2005

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1) Punk Rock-dancing in the "mosh pit" - bumping / running into other fans in front of the stage in a counter-clockwise, circular, semi-rhythmic fashion.
2) To hypodermically inject illicit drugs such as heroin, cocaine, methamphetamine, etc.
3) Punch someone very hard.
1) Dude, you can't slam to Pearl Jam!
2) Dude, I don't slam that shit, I'll snort mine...
3) Dude, I slammed that asshole!
by D. Fletcher December 12, 2003

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(verb)
1. to have aggressive sexual intercourse.
Kat: "Would you slam that bitch?"
Bryan: "Fuck ya! I would slam that pussy hard!"
by gramurr June 29, 2016

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to look insanely awesome using something, especially clothing; see rock
ComicCon Guy 1: Hey, check out the guy breakdancing in the classic Wolverine costume.
ComicCon Guy 2: Ooh, boy! Now that's how you slam the spandex!

Woo, check out the girl in the one piece slammin' that sailboard!
by SPAH September 01, 2012

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A hyperbolic reference to a minor insult used to promote mediocre huffingtonpost news articles.
John Stewart slams George W. Bush.

Rachel Maddow slams the GOP.
by bigredsuperjock January 15, 2012

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to be ugly
eww that bitch was slam!
by Shondra Stevens August 16, 2011

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A ridiculously intense poop session.
Dude, don't go in there! I just took a hardcore slam!
by Anthony Bradley March 25, 2011

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