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

Ziplanie

1. When two people who have been dating for a limited time have sex within the first 24 hours. Hello, my name is Zip, and I shall have sex..

Matusow Melt-down

1. Poker term used for someone who plays brilliantly the whole game and then loses all his/her chips after a small series of stupid plays. ..

The Casualaties

1. the best fucking band ever!!! the best punk/oi band ever!in punk history See paul..

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Smart Muscle Edit Meaning