Aunt flo

//ɑːnt fləʊ// name, slang

Definitions

Proper Noun
  1. 1
    A personification of the menstrual period or menstruation. euphemistic, slang

    "Aunt Flo came to visit last night: that's why I was so ratty."

Etymology

Pun on flow and Flo (nickname for Florence, Flora, etc).

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