1 definition by Booch to the mooch
Slug mountain is an intrevinas game which involves rolling of ones bed onto a friend/bean bag whilst wrapped in your duvet like a slug with no friends.
"I just slug mountained your ass"
"That's the best slug mountain drop I've seen since my six weeks on the job"
"That's the best slug mountain drop I've seen since my six weeks on the job"
by Booch to the mooch November 1, 2004