ass
. *Also: as \cold as a witch's caress.) •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.