1 definition by Manly McMan

Big Montana

The opposite of a sausage fest or testical festival. A party consisting of 90% or more females. A woman's vagina looks like a roast beef sandwich, hence a large gathering of vagina = the largest Arby's roast beef sandwich the BIG MONTANA.

Dude, you have got to get over to this party its a fucking big montana right now!

by Manly McMan May 11, 2006