"Tribbing" from the word "tribadism" which refers to lesbianism. Derived from the Greek "tribas" (a lesbian) and "tribo" which is the verb "to rub".
Here's Candy's top list of Scissoring Lesbian Porn Stars tribbing their bush.
All new from Filly Films! Watch Nikki Delano, Jay Taylor, Raven Rockette, Sheena Ryder, Riley Reynolds, Sinn Sage, Miss Moretti and Brooke Summers perfect the art of tribbing.