yap n. + Add to list US //ˈjæp// UK //jˈæp// yap Archaic Slang Vulgar SynonymsEtymology Synonyms gobholemawtrapyelpyipOriginHAK葉→NAN-HBL葉→ENYap From Hokkien 葉 /叶 (Ia̍p) and Hakka 葉 /叶 (Ya̍p).