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
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.
A fruity preserve that usually goes on toast or in sandwiches
I like Jam on my toast
1)Means:To relax, or chill out.
person 1: damm im vexed
im goin to smack him
person 2: jam man.
dope or opiate derived drugs.i.e. oxycontin. heroin
i was straight noddin of them jams on the bus.
To get together with people to play music.
Guitarist: Hey, you wanna get together and jam this weekend.
Drummer: Let's do it.
A party, hopefully with lots of free beer.
Cam: Eh man, you coming to that jam in the park tonight?
a song that a person is particularly fond of, sometimes to the point of being their personal anthem or theme song. derived from the expression "jamming out".
"say mang, turn the radio up, this is my jam!"