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1.
In self-defense, plant your foot on the other guy's balls and grab his feet (the steering wheel) and while gripping tightly, push down on the gas with your foot.
When Sven attempted to molest me, I applied the German gas pedal to his member and crushed his balls.
by Steve-O April 23, 2003
 
2.
pulling someone towards you and kicking them in the nuts, HARD.
While in the hallway talking to my girlfriend Mark booked me, I then decided to turn around and give the bastard a german gaspedal.
by quiefer April 12, 2008