oversteer

To turn more sharply than the operator would expect. Used of vehicles, especially automobiles.

The tendency of a vehicle to oversteer.

The condition in which the rear wheels of a car don't follow the desired curve while cornering, the rear wheels losing a degree of traction and so skidding off the required line into a spin.

To lose the control of one's vehicle in a corner due to rear wheels sliding and not following the front wheels.