Asshole Cold 

adj. When it's so cold that when you step outside, the wind hits you, and your face clenches like you just smelled an asshole.

Ugh. I have to go to work in this weather? It's Asshole Cold outside.

Asshole Cold by Steveo131 November 27, 2013

colder than a well digger's asshole 

extremely cold and dark.

"Daaaaammmmn...it's colder than a well digger's asshole out there!!"

colder than a well digger's asshole by Well Digger September 1, 2011