zombie flu

When you have the flu or a cold that is so bad you feel like the walking dead.

I didn't have a 24-hour bug, I had Zombie Flu.

by AnnieBanannie May 18, 2014

LAN Flu

When you come back from a LAN party/gaming event and you get flu-like

symptoms from being around other dirty gamers for a whole weekend

Guy A: "Duude I'm feeling a little under the weather."

Guy B: "why?"

Guy A: Just came back from an MLG event...."

Guy B: "Ahh... must be the LAN Flu ."

by derppy November 25, 2013

Sex flu

The male shoots a cumshot into a girl’s nostril. This way, the girl will have a runny nose from the dripping cum and will feel like she is sick from the distance of the shot.

“Sorry I’m late I had to blow my nose after my boyfriend gave me the sex flu”

by Slydog11 December 20, 2019

fest flu

The flu you get after a festival.
Includes excessive coughing, runny nose, sore throat, exhaustion, sneezing and losing your voice

Miya: *Coughing and sneezing* I'm so sick after reading/leeds
Tom: You got fest flu

by m✨ August 26, 2019

band flu

A deadly disease spread only amongst marching band members

The entire tuba section is sick; the band flu is spreading.

by Sensei Ramen October 3, 2017

bottle flu

When you are so hungover or drunk from the night before that you have to call in sick for work

John must be out with the bottle flu today

by Jake Snaker January 11, 2017

Nut Flu

Any condition that directly impacts the overall health and well-being of ones testicles. Symptoms include sensation of severe blue balls but it’s most likely fatal.

No homo bro, but did you hear about my homie’s balls?

Yeah, he got the Nut Flu.

by Professor Nuts October 21, 2019