When you are doing anal and the person excretes on your penis whilst it’s inside the arse and you ejaculate at the same time. This causes a browny/white mixture resembling an Oreomilkshake.
John:”imma boutta cum b”
Josephine:”baby I’m gonna take a shit”
John:”this should make a good Oreo milkshake”
A sex position where the male engages in anal sex with a woman and ejaculates inside her. He then proceeds to insert a straw into her anus and sip the acquired taste of anal juice and semen mixture into his mouth. Snowballing with your partner afterwards is optional.
Dude, I was fucking my girlfriend in the ass like that and she let me have an oreo cookie milkshake after i finished.