JAM 

JAM = jelly as a motherfucker

dangus: RIP Zyzz - Son of Zeus, Brother of Hercules, Father of Aesthetics

skinny faggot: fuck Zyzz

dangus: lolol u mad brah? u must be JAM

JAM by dangus vaikstyne October 7, 2011

jam 

One definition comes from the Roller Derby when the fastest skater passes those on the other team. When the skater is going really fast he is on a JAM. A slang useage example would be "let's jam".

Let's jam instead of let's go

jam by Roland November 13, 2005

Jam 

Something so amazingly awesome that when it vanished off urbandictionary i had to add it again.

Oh my god, that's so jam.

Jam by LOL ;) May 19, 2008

jam 

Another word for dunk.

"Jams it in!" - announcer from NBA Jam

jam by Tengu August 28, 2005

jam 

just a minute, see brb

George-CAn you send me an e-mail?
Bob-jam(just a minute)

jam by Maddie May 13, 2005

jam 

To relax. Used by black people in London.

1: I can't find it! Im doomed
2: jus jam cuz

jam by anon May 13, 2005

jam 

to improvise in a group of two or more people with musical instruments, coming up with wild and funky riffs and glorious tunezoids

"We jammed on saturday and it sounded really sweet!!!"

jam by bitchincamaro July 20, 2008