Gender roles Intersex Sex and gender distinction Sexuality and gender identity-based cultures Social construction of gender. Some men consider it liberating; Several related terms exist. The cowboy position is anal sex in which the bottom straddles the top. In human sexuality , top , bottom , and versatile are sex positions during sexual activity , especially between two men. In gay male sexuality, a total bottom is someone who assumes an exclusively receptive role during anal or oral intercourse. From Wikipedia, the free encyclopedia. A bottom is usually the receptive partner during sexual penetration.