L-riding or "L riding" is smoking an L (blunt) while driving, or being the passenger in a car. blunt is usually rolled and cooked with lighter in the car before smoked. One usually L-rides on a semi-long car ride in which smoking a blunt could pass the time.
yo man i was L-riding all the way to the beach, and now im high as hell haha.
by c-nor May 03, 2010