Wheel Hop

(drag racing) violent shaking of the car as the tires lose and regain traction in quick succession.

A hopping action of the wheels under load during heavy Acceleration. Traction is lost and regained in rapid cycles after power is applied to the front or rear wheels. It indicates a need for different tires, better Shock absorbers, better springs, better axle control, different driving technique, or all of the above. The British term is wheel patter