A fork of Rural Dictionary
Another typical way of describing a women masturbation. just like a guy jackin dick, Jackin Flaps is jackin it with a womens vaginal flaps.
Jenny was Jackin Flaps in her bathroom upstairs during the party last night.
A term for a lesbian sex act similar to scissor sex where the action moves from side to side rather than back and forth. the term derives from the stacking of labia which resembles a stack of pancakes.
This scissor sex isn't hitting it, it's time for some flap jackin'.