Smart Muscle

What is Smart Muscle?

The butthole muscle that determines if a fart will contain solid matter and thus retains the fart for later release on the toilet.

I think my smart muscle is broke because I just sharted in my skivvies.

See shart, fart, poop, pants, mud butt

Nulf

1. to throw up a spiderman slash superman i gave her a superman last night and she nulfed it. it was so gross. but hot haha. See cumm, ba..

Rash Wonton

1. Nothing to do with chinese food but whne u have nothing else to say and your in a croud of people and want to make yourself look "f..

Cunt Cruncher

1. when a chick has a crispy pussyand the guy peels the dry skin off with his teeth proceeding to crunch on it while fingering her. "..

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Smart Muscle Edit Meaning