Backwards Chameleon Tongue
When you sling your ballsack back between your legs and dunk your balls into your anus
Emeric: Have you ever done a backwards chameleon tongue?
Daryl: No, I hate shit on my balls.
Zane: My balls lack the dexterity.
Daryl: No, I hate shit on my balls.
Zane: My balls lack the dexterity.