Meaning

1 senses
  1. (dated, idiomatic)A very cold night.

Origin

An Inuit saying, used to indicate a low temperature during the night, and during very frig

An Inuit saying, used to indicate a low temperature during the night, and during very frigid temperatures, one would require three sled dogs in the igloo to keep oneself warm.

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three-dog night — meaning, examples, forms, synonyms | Krumeto