Top Definition
Someone who gives the engine pistons a really hard time due to driving at excessive speeds.

Redlining Rev head, Speed freak, Motorhead
1. Typical piston bully, only knows one speed... flat out!

2. Hes a piston bully, always off the clock its wonder he hasnt lost his licence!

3. Only a Piston bully could redline a corvette
by magpiez July 02, 2012

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