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When a penis curves to the left due to frequent masturbation with the left hand.
"Dude, my dick curves to the left so much it almost has a complete bend!"

"Yeah, dude, you have a NASCAR-dick. Quit jerkin' off so much with your left hand. Change it up to keep it straight."
by Balthazaar December 13, 2012
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2
When a penis has a hard left bend to it when erect.
The guy from the FakeHospital videos, yeah he has NASCAR Dick
by Picax8398 February 20, 2018
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