everything-but girl noun a woman who will engage in any and all sexual activity short of intercourse US
— Amy Sohn, SexandtheCity, p. 155, 2002
With her Clintonion parsing of the definition of sex, Melissa is an “everything-but girl” (EBG). — Ian Kener, BeHonest–You’reNotThatIntoHim Either, p. 10, 2005