Oversteer

[PussyCat]

Occurs when a car has exceeded its limit of grip. [The back end] kicks out, resulting in either a [powerslide] or a complete spinout- depending [on the driver]. Oversteer is the basis for all drifting, and when harnessed can look amazing.

[Mark Zuckerberg]

(of a motor vehicle) have a tendency to turn more sharply than intended.

[Kit]

Oversteer in Stock Car Racing. When the back of the car has less grip than the front and tries to swing around ahead of the front. If the driver does not take quick corrective action by applying opposite steering lock and/or taking his foot off the throttle, a spin will result.