recherchez un mot, comme the eiffel tower :
 
1.
Older slang, used in cold weather to place emphasis on how extremely cold it is outdoors.
Damn, it's colder than a well-digger's ass!
de Rod Brock 31 juillet 2006
 
2.
A degree of coldness below about 40 degrees.
It's colder than a welldigger's ass outside.
de arrow_keys 15 septembre 2005