This should not be confused with a regular 69 move. This is a standing 69 move where the girl is holding up the guy so he is the one upside down. Once they start 69ing each other, the male then shits in the females face leaving her with a brown mess.
Mitch: You ever tried a polish tarantula with Becky?
Zach: No, Is it awesome?
Mitch: Its the best thing since a portugese breakfast in my honest opinion.