fishtail(redirected from fishtailed)
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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.
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.