vagaterian Share definition Flag Vagaterian - one who eats vaginia (performs cunnilingus) but ususally refers to lesbians (e.g., as used in the movie, Imagine You & Me). Jane is one hot vagaterian; she is one woman who really likes being down on the hot muffin. vagaterian by TooSick4U December 22, 2006 Get the vagaterian mug.