TribVids.com: Free Tribadism Videos, Pics, Information and Reviews
Tribadism or tribbing is a form of mutual masturbation in which a woman rubs her vulva against her partner's body for sexual stimulation. The term is most often used in the context of lesbian sex, but is not exclusive to lesbians. Tribadism can also refer to a masturbation technique in which a woman rubs her vulva against an inanimate object such as a bolster in an effort to achieve orgasm. -Wikipedia