Mountaineer Mentality

If you ask someone who's climbed a big mountain why they did it they will likely say:
"Because it's there"
This is the mountaineer mentality. They had no good reason to do it, but they did it anyway.

Person 1: Hey, why the hell did you sleep with my sister?!?
Person 2: Because I can.
Person 1: That's some whack ass mountaineer mentality you got there bucko *proceeds to beat the shit out of Person 2*

poon mountain

Party boots

“I can’t find my poon mountains!”

Ozark Mountain Diamonds

Meth.

John-Luke: Hey Bobby let's go to Table Rock Lake and cook up some good ol' Ozark Mountain Diamonds!

Bobby: I can't tonight, I gotta go to my brother's trailer have sex with every female in my immediate family.

John-Luke: Well gosh dammit.

mountain killer

Person who habitually chooses the same ascent route on a mountain, chipping at its face more each time, thereby destroying more of the mountain on a climb.

Richard, why not use another route to climb that mountain? Leave that route so others can enjoy it. You're a mountain killer!