scup noun2 •A common sparoid food fish, Stenotomus chrysops, of temperate regions of the Atlantic coast of North America; the porgy.When I was 12 years old, my father got me a boat and I went fishing off of Cape Cod. I hooked a scup and as I was reeling it in, I hooked a 4.5 foot baby thresher shark who proceeded to eat my boat. — 1975 •(dialect, US) A swing. formsscups