beer o'clock

Also found in: Acronyms.

beer o’clock

facetious the time of day when it is acceptable or customary to start drinking alcohol
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
IF it's beer o'clock and you're looking for some awsomesauce bants with your best bruh, read on.
Man cannot live by spas and golfing alone, and sooner or later it's beer o'clock.
"It's beer o'clock!" screamed Michael Slater in the Test Match Special commentary box.
"Buzzkillers" (someone who stops other people from enjoying themselves), and "beer o'clock" (a time considered appropriate to start drinking) may also take many traditionalists by surprise.
IT'S BEER O'CLOCK Linda and Pete chill out on the beach