A Cincinnati Mud Whistle is when you shove the top part of a bottle into a girl's ass and she farts. The fart blows air into the bottle making the whistle sound. While doing this she must wear a train conductor's hat.
I met this girl down in OTR who let me give her a Cincinnati Mud Whistle with a Moerlein bottle I picked up in the alley. She said it wasn't going to be wet but she lied.
When a white female is fucked by more than 2 black men, making it seam like she is whistle you could stick your cock in anywhere.
John: Allie was african mud whistled last night by Jerone, Geraldo and Ken
Mike: HAHA! That stupid slut really loves the 12 inch nigger cock! I hope they had fun on the bitch!
When a nude man or woman stands up and begins to take a shit. Their partner grabs the turd before it hits the ground and begins "oral sex" on the turd.