Can occur on a Sunday evening bust most often Monday through Thursday. Caused by the excess consumption of alcholic beverages the previous evening, resulting in a craptastic hangover the following morning, most certainly resulting in a "sick" call into the office.
Dude, what happened to you yesterday, I didn't see you in the office, are you OK?
I got so shitfaced the other night that I had to call in sick this morning on account of the Beer Flu.
30π 9π
When you wake up the next morning after a heavy night of drinking, unable to go to work you phone and call in βsickβ
John phoned in sick today, but I recon he has a case of beer flue.
17π 8π
Simply another way of saying the corona virus, because there is a beer called corona
Usually used in dark situations involving COVID to try and lighten the mood
Person 1: man I just got COVID, I'm fucked
Person 2: you mean spooky beer flu?
Person 3: what the hell are you talking about?
The discreet way of saying that you have/had COVID-19
YouTubers refer to COVID-19 as The Beer Flu