Scrotum Fortune
When the male gets a halfy (half erected, half limp penis) and he slaps his bellybutton with the halfy 3 times and makes a wish.
Guy 1: So I have myself a scrotum fortune today.
Guy 2: what you wish for?
Guy 3: I wished for a longer dick to slap my bellybutton with.
Guy 2: what you wish for?
Guy 3: I wished for a longer dick to slap my bellybutton with.