jam out: verb; means to relax, unwind, rest, chill out, etc, etc.
Pimp: Ey man, whats good? Where all da hunnies at?
Playa: Aint nothin poppin forreal, its cold so Imma stay my ass at home and jam out.
Pimp: hahaa yea its cold as a muthafuc*a aint it? Imma make da hunnies come to me, ya feel me? aight, man 1.
Playa: Aight B, 1.