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1. Cut a Rusty
The act of taking a fat shit.

Just really letting it all go. Explosive.

When the shit scrapes against your buttcheeks.
Thought to be the second most satisfying sensation a human being can experience.

Behind only finding God.

Definition 2-

A verse from the Cal Poly fight song
Hank: "Hey David where are you going?"

David: "I've had to cut a rusty all day."

Jeff: "Hey! ME TOO! LETS PLAY BATTLESHITS!"

Example 2-Ride high ye mustangs and cut a rusty blah blah blah the rest is irrelevant
2. cut a rusty
The act of hooking up with an ugly chick.
Calder hooked up with the ugly-ass chick last night; he cut a rusty!
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