The act of 2 women criss crossing there legs and riding back and forth, or scissoring.

When you score in a game and you do a cunt bump..like a chest bump

Used when pointing out a couple of lesbians. Or when one girl describes her sexual preference.

a less scientific description of female-female tribadism often used by lesbian/bisexual women to indicate past relations had with another woman when talking about or introducing her

When you fist a female during foreplay or intercourse and you slide your arm so far up her vagina into the uterus you can feel the back linining of the uterus with your hand. Or in other words yo cunt bumped dat' bitch.