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.

jackin flaps by The Stuffinator Knowhow March 5, 2015

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'.

flap jackin' by Gigantic Twerp August 14, 2014

Flap jacking 

The female version of tea bagging.

What is it called when a girl tea bags someone? It's called flap jacking!

Flap jacking by Chucksama November 14, 2013

Flap-jacking

Flatulence while sitting on the floor of a shower.

After a combination of Indian food and a long night, Susan often finds herself the next dat flap-jacking during her morning shower.

Flap-jacking by Professor Know-A-Lotta March 9, 2021

flap jacking 

when lying naked on ones bed and jumping on to your stomach then to your back resembling flipping a flapjack

I was flap jacking so hard my bed broke!

flap jacking by MC triple T January 3, 2011

Flap Jacking 

Jacking off onto pancakes and then eating it

"What did you have for breakfast, Jimmy?"

"I did a little flap jacking"

"deeeeeelicious"

Flap Jacking by Dirty dirty girl January 3, 2007

Flap Jacking 

A tandem masturbatory technique in which the participants lock arms at the elbows whilst gripping the shaft of their penises. They then flap elbows like a bird in synchronization to most efficiently share the work of jacking.

I jerked off with my friend, but it wasn't gay because we were flap jacking.

Flap Jacking by Kingsbury Brothers February 6, 2010