1 definition by The carbon fiber 240sx

Top Definition
When shifting in a manual transmission while in the midst of a race you under shift the gear of the car because your not watching the RPM gauge and not shifting at the prefered shift time.
Dude, you could tell that that newb didnt know when to shift cuz you could hear him short shifting the gears in the car
by The carbon fiber 240sx March 25, 2005
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