Weighing scales, usually electronic. Used by drug dealers mainly, probably originates from an aversion to being too blatent over the phone, not widely used but a useful one for paranoid dealers everywhere...
Adj. and acronym. Fucking Illinois Shit Head (F.I.S.H.). Used to describe a driver with IL license plate on Wisconsin Roadways, or an inbred looking idiot speaking loudly in public. They usually are from IL.
That FISH just cut me off, is driving too slow, and didn't use their blinker!
Fuck it, shit happens. A new slang acronym coined in 2015. The new "YOLO". Often seen on t-shirts or on hashtags used in Instagram and/or Twitter. Also used in text slang.