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.