Define Mountain Water Meaning

Mountain Water
AKA beer
Your favorite kind of beer, just beer in general

"Hey man, can you hand me some Mountain Water? Yeah, my Busch Light is in the fridge beside the Natty Lights".
By Mellie
Rocky Mountain Piss Water
Another name for Coors lite, the worst beer known to man.

I can't believe Dave only brought Rocky mountain piss water, this party is gonna suck.
By Layney
Mountain Biker Water Break
time taken when mountain biking to smoke pot

Hey Raeqwon, I'm gonna take a Mountain Biker Water Break quick.
By Babbie