Using a wall as a mean of maintaining control over the vehicle in any computer game which includes hight speed driving.
1: If one is required to turn a round corner which has a high wall on the outer edge of it and is driving at high velocity, sliding the vehicle along the wall is called "To Wall" or "Walling"
2: In the same situation, if more than one individual was playing or observing a high speed corner turning, one can say "Wall It" as a mean of helping ones' acquaintance to proceed with the task.