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".
by Roland November 13, 2005

A very, very, interesting person. not in a good way. His Favorite food is jams, and he loves jamming to music, although he can't dance.
Me name is jams
by Jams3093 June 6, 2018

by Maddie May 13, 2005

by anon May 13, 2005

yo kid i was so jammmmeeeddd last night!
by cameron March 30, 2004

to improvise in a group of two or more people with musical instruments, coming up with wild and funky riffs and glorious tunezoids
by bitchincamaro July 20, 2008
