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.
Ex. 1: Man, that slam was godly good. Kennesha won, damn, she and and her words . . . damn!"

Ex. 2: I wrote a new slam yesterday .. . wanna see it?
by Shookmilk March 3, 2004
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1. to eat something ridiculously fast, to be specific, to eat a cheeseburger very, very quickly.

2. to eat an item of food extremely quickly and with as little bites possible
1. bro, did you see lamar? he was gonna slam that burger!

2. bro, i just slammed the greasiest cheeseburger from mcdonald's in like, 3 seconds.
by Mr.Fancullo31 November 9, 2009
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A term used by postmen (mailmen) in the U.K for mail that is purposely not delivered, usually for top floor flats.
This pratice is not endorsed by the Royal Mail but is common place amongst posties, especially on a Saturday in an effort to secure an early finish.
Slamming involves reintroducing the letter into the mail system the next day back at work.
The undelivered item is refered to as a slammer.
John the postie wants home for 10, he's going to be slamming all the crap for top floors today.
by Postal Avenger July 11, 2006
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Latin (slammo): English: Most commonly used in the restaurant business.

Definition: To change ones pace. A common example from a leisurely walk to a light stroll.
"How busy were you today Jerry?"

"We were slammed today, I am so exhausted."

"What do you mean?" Asked Sam.

"I was relaxing hardly moving, then all of a sudden I felt like I was running."
"Thanks for clearing that one up."

"Your welcome random guy."
by Marcredii Getsetgo September 30, 2018
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The action of violently penetrating a vagina with your penis. So violent that it is heard by neighbours and passers by.
Jemma: *Yawn*
John: Why are u so tired?
Jemma: Ah i was kept up all night by Connor slamming Katie.
by Slamster May 27, 2010
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Continuos, heavy poundings into any of a girls orifices, while shouting (at the top of your voice) 'SLAM SLAM SLAM SHAZAM' the shazam indicating your ejaculation.
Jessica: Hey babe want to try anything new tonight?

Ilyess: Yeh i thought i would give you the old 'Slam slam slam shazam'
by Arthwani June 20, 2011
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