Top Definition
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.
by Tom Robins Special October 18, 2013

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