When you put your balls into your lovers, or your one night stands, eye sockets and navigate your asshole to their mouth. Then release a big ol' stanky bubbly fart into their mouth.
Rhonda was fast asleep after a long rough fun night of some hot sex. Leroy navigated his rear end to Rhondas mouth. Giving her the best Gasmask in world history. Then Rhonda puked all over Leroys asshole.