the word of crumpet may come from the middle english word "crompid" (cake), or "curled" (cake). or it may come from the past participle of the middle english verb "crumpen", which means to curl up. it could also have come from "crumb", "crump", or "crooked", all old english. crumpet is also used as british slang for a particularly sexually attractive woman. it australian slang, it is part of the expression: "not worth a crumpet", meaning that somebody or something is useless.