Smash Mountain 

This is where people meet to participate in sexual combat. Smash mountain is located somwhere near pound town, toward the pleasure isles. Saying that you've taken somone to Smash Mountain implies that you've recked that pussy, or in some cases recking a Bung hole or Bungus, with your wiener.

"Hey Bill what'd yu do with Natasha Last Night"
Bill:"What do you mean, "what did i do with her" i took her ass to smash mountain bro!"
Both: HELLZ YEA!

Smash Mountain by Snake Tears November 22, 2011

Lithuanian Mountain Pie Smash 

The act of vomiting onto a sexual partner's penis and then promptly mounting and riding it.

Joe: Dude, that blind date you set me up with was kinky.
James: How?
Joe: She gave me a Lithuanian mountain pie smash on her own.

Lithuanian Mountain Pie Smash by Mountainsmasher June 16, 2011