To drink quickly, or to have drank quickly.
That double shot of liquid courage went down so easy when slammed.
by Denis Baldwin February 3, 2004
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to shut someone down hardcore with an insult or crack
Jon: damn your gay

Charlie: if you want my cumback, go scrape it off ur moms teeth...

Bob: SLAMMED!!!
by Danny March 5, 2005
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Mobile phone account transferred to another service provider withbout holders consent.
Dude, my phone wouldn't work this morning for awhile, then it showed another phone company on the screen, I must have been slammed!
by Holly Wood July 19, 2005
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Remark of emphasis, to punctuate a statement or comment in a strong fashion, to expose ones' shortcomings or failings,
Bitch, you stupid! Awwwwwww slam slam!!!!!!
by Stephanie Carroll May 19, 2004
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The term used when injecting speed (crystal methamphetamine), via syringe, into your blood.
Looking to slam. Come on over, we're already slammed. We're slamming now, get over here. We slammed and were up all night partying last week-end.
by Waikikisunset April 6, 2011
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to mainline or inject drugs. you can snort, smoke, or slam.
I got the crytal, you bring the rigs, and let's slam; I'm ready to party tonight.
by redleft123 February 28, 2004
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the act of injecting a drug into your veins.
I've been slamming heroin for the past 2 years.

I'd rather slam coke than snort it.
by ether_synth May 1, 2007
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