1. A term used for music when played at a high volume.
2. A complimentary adjective.
"Yo dude that new stereo system of yours is bumpin'!"
when your car stereo is up SO LOUD, you can feel it in your heart and stuff..
boom boom boom you can hear a bumpin' car from a block away
when your driving with a car that has subs and you blare rap music with bass.
Mark and Josh were bumpin' to Sexy Bitch in his 350z
Description of a party/club/event that was hype, dope, phat or sick. Also can describe a bass line or actions to it.
1. "Yo that party was bumpin'"
2. "I don't dance at clubs. Only girls and guys with big gay bones do that. I just chill on the edge of the dance floor, bumpin'."
3. "Giovanni got a new subwoofer in his IROC. You can hear it bumpin' from a block away."