Smith mountain lake jellyfish 

a submerged plastic grocery bag full of beers used to transport beers while swimming. often seen at wakeboard contests

"Want a beer?"

"Nah, I got my own, check the smith mountain lake jellyfish."

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Smith mountain lake jellyfish by ARRRRDub July 18, 2010

Porcelain mountain lake

Slang terminology for a toilet, usually of the sit-down variety. Sometimes also known as the "porcelain mountain fountain".

"Well, folks...that was a mighty fine dinner, but it's tearing up my insides. Time for me to take a little vacation trip to the porcelain mountain lake."

Porcelain mountain lake by Kirk Bradford Myers June 9, 2007

The Mountain Lake

When you tit-fuck your girl until you cum into her waiting open mouth and fill it up.

I met that girl at the bar and took her home. Gave her The Mountain Lake and thought she was going to choke to death.

The Mountain Lake by BellsBeach1303 October 12, 2020

The Mountain Lake

When you tit-fuck your girl until you cum into her waiting open mouth and fill it up.

I met that girl at he bar and brought her her home. I gave her The Mountain Lake and she almost choked to death.

The Mountain Lake by BellsBeach1303 October 12, 2020