To perform a maneuver on a bicycle, motorcycle, or other vehicle in which one travels forward with the front wheel(s) raised up and the rear wheel(s) remaining on the ground. She really gets a kick out of popping wheelies on her motorcycle in front of the neighbors. He tried to pop a wheelie, but ended up falling backwards onto his back.

The act or instance of raising up the front wheel of a bicycle or motorcycle while the rear wheel stays on the ground, either while continuing to ride, or, less commonly, remaining stationary. He tried to do a wheelie, but ended up falling backwards onto his back. She really gets a kick out of popping wheelies on her motorcycle in front of the neighbors.