Explored the link between development of bulimic eating behavior and suppression of masculine traits in adolescence. German high school students completed a sex role inventory. Among girls, higher risk of developing bulimia appeared to be caused by increasing discrepancies between actual and ideal self-concept on masculine-typed personality traits. For both sexes, gender-related self-discrepancies related to bulimic symptoms indirectly, via self-esteem and dieting. (SM)