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

To Sir With Love

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Vinci

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Gmenier

1. A name given to a baby born with glasses. It came from a half-Australian and half-Persian synagogue in Manila. Typically means to "..

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Smart Muscle Edit Meaning