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Talking loudly in a movie theater over high volume, presumably during previews, only to have the preview end unexpectedly leaving you shouting something inappropriate for everyone to hear.
(with preview)
"Yeah we went out to eat...
(preview ends)
...and then we were fuckin' in the butt..."
"Dude, I hate muck-yucking. That was so embarrassing."
by Greg and Gino May 09, 2008
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