Russian Pepsi

A carbonated liquid juice squirted from the anus of a fat woman that is released after she has sexual intercourse in the ass then in the vagina whilst on her period. Bottoms up.

Sarah: oh Mark, I'm on my period tonight

Mark: let me fuck you in the ass then fuck you in the pussy with my shit covered dick then I want you to squirt it over me like a Russian pepsi.

Butt Plug Sundae

When you let a turd out but your arse is so fat that it gets stuck between the butt cheeks and won't budge.

Sarah: oh Mark, I've just delivered a butt plug sundae
Mark: shall I reach in and scoop it out?