blue flu


: a sick-out staged by police officers

Examples of blue flu in a Sentence

Recent Examples on the Web Holt gets to use some profanity that NBC won’t air before realizing something: The blue flu didn’t raise the crime rate. Brian Tallerico, Vulture, 19 Aug. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'blue flu.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


from the color of a police uniform

First Known Use

1967, in the meaning defined above

Time Traveler
The first known use of blue flu was in 1967

Dictionary Entries Near blue flu

Cite this Entry

“Blue flu.” Dictionary, Merriam-Webster, Accessed 22 Feb. 2024.

Legal Definition

blue flu

: an organized absence from work by police officers on the pretext of sickness that is staged for the purpose of protest
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