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beer o'clock

American  
[beer uh-klok] / ˈbɪər əˈklɒk /

noun

Slang.

  1. time to have a beer; an appropriate or acceptable time of day to start drinking beer.

    The minute our shift is over, it’s beer o’clock.

Etymology

Origin of beer o'clock

First recorded in 1980-85

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.