fishtail(redirected from fish-tails)
Of a vehicle, for its rear to slide erratically from side to side on the road (likened to a fish's tail moving back and forth). The roads are pretty icy today, and I saw a couple of cars fishtail coming around that corner.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
in. [for the rear of a car] to whip back and forth like a fish moving its tail. The caddy fishtailed on the curb and almost spun around.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.