F4 to F6
F4 is a 'Fantastic frozen fecal fuck.' You take a condom, fill it with poop, freeze it, and then use it on your partner like it’s a fancy dessert.
F4 to F6: I used a frozen poop condom on my girlfriend and called it a gift.
F4 to F6: My partner got a frozen fecal fuck and thought it was a surprise.
F4 to F6: I turned my lover into a poop connoisseur.