Lips of Aphrodite
When having anal sex, persue the vagina as if too rub the clitorus. However, instead of your finger, use a knife and elmer's glue, to cut/rip off the vagina lips (labia) and glue them to your mouth.
"Hey Johnny... your lips smell like fish."
"It's ok mom, it's just my Lips of Aphrodite"
"It's ok mom, it's just my Lips of Aphrodite"