Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  

Ngrams not found: colder than a witch's tit, [colder than a witch's tit]
The Ngram Viewer is case sensitive. Check your capitalization!

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1800 - 1940 1941 - 1948 1949 1950 - 1992 1993 - 2000 colder than a mackerel English

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