fop n. + Add to list US //ˈɛˈfoʊˈpi// UK //fˈɒp// fop Archaic Vulgar SynonymsEtymology Synonyms beauclotheshorsedandydudegallantsheikhswellOriginMEfoppe→ENfop From Middle English foppe, fobbe (“fop, fool”). Akin to German foppen (“to jeer”).