The faux illness your girlfriend/boyfriend gets on a weekend night preventing you from going to meet up with your friends as originally planned.
Dude 1: Didn't Mess say he was coming tonight?
Dude 2: Naw, his girlfriend caught the Friday Night Flu.
Dude 2: Naw, his girlfriend caught the Friday Night Flu.
by HairySally January 11, 2009
Get the Friday Night Flumug. A temporary flu that is caused by excessive drinking of cheap beer (ie Old Style) all weekend long, resulting in an absence at the workplace, usually on Mondays.
by NexxuSix August 24, 2011
Get the Old Style Flumug. The reason why you are all alive. Chief Bird Flu is chief of the Bird Flu Society, which will shit on your face if you commit heresy. All hail Chief Bird Flu.
by lolcrackforever December 19, 2014
Get the Chief Bird Flumug. by Mr Moor January 21, 2018
Get the Irish Flumug. by Andrew (Ice Cold) MacCormack January 10, 2004
Get the Flippidy Floppidy Flumug. A very rare flu
Symptoms: coughing, sneezing, runny nose, random boners
You can usually figure out if you have the flu when you get a boner in even the gayest situations, and often have the urge to touch yourself.
Symptoms: coughing, sneezing, runny nose, random boners
You can usually figure out if you have the flu when you get a boner in even the gayest situations, and often have the urge to touch yourself.
by Huava June 17, 2009
Get the Donkey Boner Flumug. by fullfire0 August 20, 2009
Get the Caught the Swine Flumug.