An instrument used for smoking marijuanna. A tubular shaped pipe opened on both ends with the bowl located near the far end on top. Also know as a steam roller.
Dude, this zoom tube hits fat.
by Geoff Dietz August 21, 2006
A zoom tube is a nickname for a big exhaust on imports.
Check out the zoom tube on that honduh.
by d00dmanbr0 December 30, 2009