noun, the medical condition experienced by female ski resort season-workers wherein rapid and protracted intake of high-calorie, often fried foods (usually justified on the grounds of perceived increase in physical activity) causes expansion of a formerly attractive posterior beyond normal dimensions.
Dude1: Man, this season was too f**kin' ace, but I'm looking forward to rotating back to the world and seeing some girls without mountain-ass.
by bombdog October 10, 2008
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