Meaning

1 senses
  1. (countable, informal, uncountable)An industrial action taken by members of the police, claiming sickness en masse.

Origin

In reference to blue police uniforms.

In reference to blue police uniforms.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: blue flus
Singularblue flu
Pluralblue flus

regular

See also

neighbours in the dictionary
blue flu — meaning, examples, forms, synonyms | Krumeto