(as) cold as a welldigger's ass (in January)
rude slang Very cold. I am so sick of being cold as a welldigger's ass all winter long—that's why I'm moving to Florida.
*cold as a welldigger's ass (in January)
and *cold as a welldigger's feet (in January); *cold as a witch's caress; *cold as marble; *cold as a witch's tit; *cold as a welldigger's ears (in January)very, very cold; chilling. (Use caution with ass. *Also: as ~.) Bill: How's the weather where you are? Tom: Cold as a welldigger's ass in January. By the time I got in from the storm, I was as cold as a welldigger's feet. The car's heater broke, so it's as cold as a welldigger's ears to ride around in it. She gave me a look as cold as a witch's caress.