We found 2 dictionaries that define the word cold as a witch's tit:

General (1 matching dictionary)

1. cold as a witch's tit: Wiktionary

Miscellaneous (1 matching dictionary)

2. cold as a witch's tit: Idioms

Definitions from Wiktionary (cold as a witch's tit) ▸ adjective:  (simile, colloquial, vulgar, humorous) Very cold. ▸ Words similar to cold as a witch's tit ▸ Usage examples for cold as a witch's tit ▸ Idioms related to cold as a witch's tit ▸ Wikipedia articles (New!) ▸ Popular nouns described by cold as a witch's tit ▸ Words that often appear near cold as a witch's tit ▸ Rhymes of cold as a witch's tit ▸ Invented words related to cold as a witch's tit