A woman, attracted to younger males (usually in the grade below), with claws that come out on the weekends. The Mountain Cougar manages to leave marks on one's body, usually in the form of scratches and/or hickeys. People are often amused by her behavior, giving her the title The Mountain Cougar, or "Cougs" for short.

The Cougar goes wild on the weekends, and lives worry-free. She often hibernates in cars, and has to be home extra early to sharpen the claws.
Hungover Friend: Dude, look at your fuckin back and neck! What the hell happened to you?

Victim: I was attacked by the Mountain Cougar this weekend
by RR. June 2, 2011
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An alias you use when going to the infamous titty bar "Southern Xposure".
"Hey, man who are you?"

"I'm a Mountain State Cougar!"

"Hell, Fuck yeah!"
by Pablo Montoya December 11, 2006
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The act of vigorously mountaining a large feral feline, preferably a mature succulent cougar, yielding a classic result within 1 standard deviation.
Big Willy had his prepubescent mind blown when he first experienced the Cougar Mountain Classic. His life... and genitals, will never be the same.
by Cougar Mountain Classic June 3, 2014
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