fet /fɛt/noun 2verb 1forms 3 noun2 •[before a noun] (slang) Clipping of fetish.oh, btw...when you consider the fet-clothing available out there, realize how many have a collar attached. — 1997 •(no longer used) A piece.That the bottom clear, Now lay'd with many a fet of seed pearl, — 1627 verb1 •(no longer used) To fetch. formsfetting · fets · FETs