The manner in which a male's penis travels when walking if unrestricted by garmet(s). Only applies to biological men, "transgender" men don't actually have penises, despite the current narrative.
Girl at nude beach: Omg look at they's cock flapping in the wind while them slowly walks towards us! I am so going to suck it off!
Other girl: That's a biological male you dumb slut. And learn propper english you libtard.
when your vagina has an extra flap . may be purple and show signs of diseases .
"bro my ex girl had a boto flap and we broke up last night because it was turning purple !"
when you have an extra pussy flab/ may be different colors .. also may be sign of disease
"Bro my ex girl had a boto flap and we broke up lay night because it was turning purple"
The same meaning as Willy Waving but for woman. DM
An expression of showing off.
"Rebecca is fanny flapping about £5k sales this month."
When you put your mouth on a vagina and horse blow.
I was port flapping my girlfriend last night and she squirted all over my face
Shoving food up ur vag so the calories don’t count and enjoying it ;)
I’m just going to food flap now