Chief Bird Flu

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.
Chief Bird Flu owns you.
by lolcrackforever December 19, 2014
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Old Style Flu

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.
Bob: Joe didn't show up for work this morning...
Billy: I think he has the Old Style Flu!
by NexxuSix August 22, 2011
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Bitch ass flu

Someone who acts like a bitch seasonally
Ayo i heard BIG KEV has the bitch ass flu
by The_General234 August 16, 2019
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18 hole flu

A mystery illness that usually occurs on a Friday or a Monday, typically during the spring, summer, and early fall on fair, sunny days. Symptoms include distraction and an urge to call in sick. The only known treatment is to increase use of recreational facilities, such as golf courses, city parks, or beaches.
"This is the second Friday in a row that Bob's called out sick."

"Yeah, and it's 75 and cloudless today. Pretty sure he's got a nasty case of the 18 hole flu."
by mcb1971 September 04, 2013
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Irish Flu

An unpleasant hangover (From the movie "The Shallows"
" ...and now she's just stuck back at Las Rocas with the Irish flu"
by Mr Moor January 21, 2018
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Flippidy Floppidy Flu

Why are you in my Fippidy Floppidy Flu yo.
by Andrew (Ice Cold) MacCormack January 11, 2004
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Donkey Boner Flu

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.
Jeff: I have a bad case of donkey boner flu.

John: I can tell...
by Huava June 17, 2009
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