What is Mountain Troll?
1.
One who reigns supremacy over trolls, and works to rid them from the internet.
I have exposed your lies you troll! I am a mountain troll!
See
2.
Anybody that lives on a mountain that dosent really leave, and can't get cable internet.
Calvin: Lenny, your suck a mountain troll.
Lenny: Why?
Calvin: Because you never leave your mountain.
See