To slam vaginas together to create the same outcome one would expect from jumping in a rain puddle.
Friend 1: Julie told me Becky has phenomenal beef curtains
Friend 2: How the fuck do you know that?
Friend 1: Because Julie had a scissor slapping marathon with her last night
When a girl or guy... or a they them, while on their knees, jerks off two guys at the same time who are standing perpendicular to their left and right. The kneeler then proceeds to jerk off the guy on their left with the right arm and the guy on the right with their left arm forming an X and a scissor motion.
Yo dis ho scissor jacked me and Tyree last night. I thought he wa gon cum on me, but then she stuck her head in the jack and did he old look left right left.