From Longman Dictionary of Contemporary Englishfannyfan‧ny /ˈfæni/ noun (plural fannies) [countable] informal 1 American EnglishHBH the part of your body that you sit on SYN bottom2 British English informal not politeHBH a woman’s outer sex organs SYN genitalsOrigin fanny (1900-2000) From the female name Fanny
