1 definition by davey thenavy

A Rocky Mountain is a delicious alcoholic beverage consisting of 3 quarters Mountain Due and 1 quarter rum, served on the rocks.
Davey: hey Ian were out of coke, pass me the mountain due and rum.

Ian: are you making a rum and mountain due over there?

Davey: yes i am and its going to be delicious.

Ian: what an amazing drink. Were going to call it a Rocky Mountain
by davey thenavy October 30, 2010
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