Flappy Cack 

A long flopping penis

....And then I left her a mushroom face tatto when I hit her with tha flappy cack

Flappy Cack by Armstrizzle April 30, 2004

flappyjacks 

Another word for gigantic boobs of a fake chick.

That girl has HUGE flappyjacks! Moooooo!!!
Flappyjacks or blue waffles???
Want some syrup with those flappyjacks???

flappyjacks by 54312929 November 13, 2011