yammy
n.— «Just before Garson took care of his bodily functions, he was overheard referring to an observant Jew as a “yammy,” which is apparently slang for yarmulke, the head covering worn by Jewish men.» —“Garson’s locker-room chatter gets on the record” by Anthony M. Destefano Newsday (Merrick, N.Y.) Aug. 19, 2004. (source: Double-Tongued Dictionary)