Background:
Russians use this saying to describe extreme heat conditions in "Banya" when it is becoming almost unbearable.
Russian Мои уши в трубочку сворачиваются?
English literal translation My ears are curling into tubes
Question:
What is English idiom that could be used in sauna or steam room to describe that it has gotten so hot, that it feels like your ears are curling into a tube?
prune
is associated with drying up and not with getting too wet or too hot?