Top Definition
a situation where, in a public bathroom with multiple stalls, two people in adjacent stalls are taking a pungent shit simultaneously, creating a collective smell from both stalls that leaks out of the bathroom and into the nearby hallway.
No, Malcolm, I will NOT shit in that stall. Do you not see the dude in the stall next to it laying a mud monkey? I am morally opposed to shitting in stereo -- mono or no go for me.
by Peven glugh November 25, 2011

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