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A male who dates or marries a women at least thirty years younger than they are.
Hugh, age 69, is such a mountain lion his girlfriend is now 19.
by qweef shady June 19, 2011
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8
1. A person that seems impossilbe to make friends with, but someone usually manages to.

2. a large american wildcat
1.

Dude, you're friends with Matt?
Yeah
That guy's a total mountain lion!

2.
Look, a mountain lion on that ridge!"
by Lexi James April 01, 2012
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9
The Food Loin equivalent of mt. Dew. Generic but yummy and refreshing. Cheaper than the real thing!
I cant afford Mt.Dew...gimmie a Mountain Lion, Dude.
by Islandgirl08 August 26, 2008
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10
50% mountain dew 50% pink lemonade, lots of ice and a squeeze of fresh lemon ideally drank out of a bendy straw

sends a tingling rush of cool refreshing bliss throughout your body
bf: hey baby can i get you something to drink?

gf: yes, get me a Mountain Lion.
by magsmen77 November 10, 2015
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11
An euphemism for Making Love, because they share the same abbreviations: ML
Jim: How much you have a Mountain Lion?
Tracey: None of your business
by Sir. B September 10, 2020
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12
An attractively seductive older Man who prefers younger woman. He’s the Man who doesn’t lose the swagger and multiple divorce papers as he ages, much past His deflated dusty prime. He’ll steal your girl like Hugh Jackman and pass her on to Johnny fucking Sins. He’s the silver fox, the Ron Swanson of men, the Matthew Mcconaughey of Boy’s . He has that Letter Kenney/Red Green tongue the will chirp harder than four girls and two Milf’ s currently in his bed. He’s got money like Jordan Belford, and can last longer than Viagra mixed with 5 Hour energy. And Godammit he’s a veteran.
Did you hear about the new history teacher?

He’s such a Mountain Lion
by Dr. Benjamin, Dufuk Dover October 13, 2020
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