Top Definition
A system of speakers and subwoofers mounted to the underbody of a vehicle. When connected to a V'room Box inside your car and your rpm monitor, it can reproduce the sounds of many of the finest supercars when you accelerate
"Did you hear that vehicle, it must have a nice engine?"

"Naw, it was only a V'room Box that made the pathetic minivan sound cool."
by i_own_a_carrera_GT August 27, 2008
A car bumpin music with an extraordinary amount of bass. Encounters usually occur at red lights and genre is often rap.
Look at the guy in the vroombox next to us thinking he's super cool.
by Rebel Rein March 19, 2009
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