flapdagging 

to accidentally lose control of your bladder whilst wearing clothes.

When I saw that venomous monkey running towards me, I was so scared I flapdagged my jeans.

flapdagging by Templeton Peck June 17, 2003

Flaptagging

The female equivalent of Teabagging.

v. To lower one's labia onto another person's head/face/mouth.

Female I killed him in Halo and then started Flaptagging him.

Flaptagging by LiverpoolsNo9 March 8, 2013