Where a man pulls his penis back between his legs in order to simulate a look as though he has a vagina (or mangina). This action is usually followed by prancing around the room on tip-toes in front of new girlfriend as a way of breaking the ice after sex.
This ritual must be carried out with caution if the male has large testicles or fat legs, due to the risk of 'squashing a nut'.
Man prancing about room on tip-toes doing The Fanny Dance: "Oooooh look at me - we just had sex but now I've got a big hairy twat like you! Oooooooooh - it's maaaaaagic!!!!!!"