YAP Meaning of YAP in English v. & n.v.intr. (yapped, yapping) 1 bark shrilly or fussily. 2 colloq. talk noisily, foolishly, or complainingly. n. a sound of yapping. yapper n.[ imit. ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012