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.
by c-nor May 3, 2010
by Kelly Shields April 4, 2003
When you drive around with your friends and smoke marijuana. Preferably a blunt or spliff while the car is in motion, with the windows down.
by Jack Torse July 19, 2005