Anal shake

the act of several men releasing their semen into a females anal cavity then pouring milk into the anal cavity and haveing another girl put her mouth around the asshole entrance and drinking the sweet mixture

When the Male ejaculates into the analtorium and the female clinches her bum cheeks and twerks making a milkshake texture and drinks it.

When you fuck her in the anus, and you pull it out way too fast and she shits herself. You put a cup under her anus, and the poop falls in it. You procceed to put it in a blender with milk and sugar.