Anything that seems a little off or out of place, or a person not quiteright in the head.
That cole slaw seems a little fishtaygle as if it was made 2 weeks ago.
Steer clear of Cleatus, he's been acting real fishtaygle since he ran out of meth.
n. An illegal car manuever where the driver of a 4WD vehicle causes the rear tires to swing back and forth leaving fish tail-shaped tracks, often to create a dust cloud for anyone who might be following.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.