Top Definition
A racing technique used in motocross to conserve forward momentum over jumps.

Named after James "Bubba" Stewart, arguably the creator/expert of the technique.

The pilot of the bike will transfer the bike sideways while riding off the face of a jump, so that the bike will have a lower trajectory, which in turn decreases the amount of time spent in the air.
James Stewart just bubba scrubbed that triple!
by Clint David February 10, 2006
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