A type of threesome; Woman A lays down, while Woman B sits down on her face, with Woman B's back facing Woman A's body. Woman A eats out Woman B, while the man simultaneously tit fucks Woman A and has anal sex with Woman B.
Mark:Dude, I did a Backdoor Milkman last night. BEST THREESOME EVER!
by Cleveland, Puncher of Donkeys April 20, 2010
1 more definition
A derogatory term for a male homosexual.
My camp history teacher
by Quiet Robert December 12, 2004