Used to describe something that was really fun or cool.
'That was the jam' is sort of the same thing as 'that was a blast' or 'that was a ball.'

It's pretty much the Jam. That show was the Jam. Etc.

by Dana S. November 8, 2005
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While she was at my party, she rudely said, "OMG, this party is no-jam."
by luvinqs November 20, 2015
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unfunny, cringey people (usually armys) that live in a world where time is nonexistent and make jokes that are dead
example 1:
girl 1: i wanna be mutuals with @....
girl 2: you dont shes a no jam

example 2:
normal army: wow jungkook looks really attractive here
no jam: oh my jin IKR jungkook oppa is so hot thats why hes my bias
normal army: oh ok my bias is jimin
no jam: HAHAHAHAHA JIMIN HAS NO JAMS
by basicname May 31, 2018
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1. to be caught doing something not guch i.e. cheating, texting, hooking up with someone who is fuckt in de face

2. the state of being fucked in the face, or anywhere else
1. "what are you waiting for? Jam him!"

2. "oh man youngah a wee bit jammed in de face...need some bunty nice and guch?"
by nice and guch November 25, 2009
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to leave, often in haste. similar to head out or bounce
by H43N December 26, 2011
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Did you see the jam jams on her?

We're going to the Jam bar tonight 8)
by ThatAznGuyFromVictoria February 20, 2014
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2 or more musicians making music together but not an official band.
Guitarist Dude: Hey man i heard you got a drumset, we should jam sometime.

Noob Drummer: Sounds good, i havent gotten to play to music yet.
by The Real Corbin March 9, 2006
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