flap jackin'

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'.

by Gigantic Twerp August 14, 2014

jackin flaps

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.

by The Stuffinator Knowhow March 05, 2015