Blu flu 

An over-imbibing malaise, usually following a nigh of epic alcohol consumption; a hangover. Generally cured by immediate intake of additional alcoholic beverages.

"Dude, I have a bad case of the blu flu. I need a Bloody Mary, stat."

Blu flu by ohyesIdid December 4, 2014

Blu Flu 

A sickly Flu that can kill you with-in 27 days. Many people have it in Canada and Japan. There is no shot too prevent it so there is no hope for doctors when it comes to The Blu Flu.

Katlyn had the Blu Flu for 20 days and on the 21st day of her diagnosis, she passed away.

Blu Flu by Dr. Muntin July 9, 2010