There are several synonyms for the term "fishtails" that are commonly used to describe the uneven or erratic movements of a vehicle on a slippery surface. Some examples include:
1. Skids - This refers to a sudden loss of traction that causes the vehicle to slide sideways.
2. Spinouts - This occurs when the vehicle rotates 180 degrees or more and comes to a stop facing the opposite direction.
3. Drifts - This involves intentionally sliding the vehicle sideways through a corner, often in a controlled manner.
4. Slides - This can refer to a controlled or uncontrolled sideways movement of the vehicle on a slippery surface.
Overall, these terms are used interchangeably to describe the various ways in which a vehicle can lose traction and slide or spin in unexpected directions.