Top Definition
The style used when brakes and/or pedals are useless on a bicycle.

Using your feet to stop or move your bike.
Biker 1: Hurry up man! The cops are gonna be here soon!
Biker 2: AH FUCK! My brake line is cut, and my gears are jammed!
Biker 1: You better be flintstoning it!
by Benormous October 22, 2005
To use your feet to move your car when in neutral.
I was too drunk to drive my car so I ended up sticking my feet out of the door and flintstoning it home. You can't get a DUI if the keys aren't in the ignition.
by ketochlor October 20, 2007
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