Beaver Flu

Beaver Flu is just another name for the Human Immunodeficiency Virus (HIV).

"Man, that trick gave me the beaver flu."

by High Pitch November 9, 2006

New flu

Covid-19

Unbeknownst to the masses COVID-19 has become the new flu…

by Buteo Pollo January 11, 2022

Ozempic Flu

When you start taking Ozempic and feel like you’ve caught the flu — tired, achy, nauseous, maybe a headache — but it’s really just your body adjusting to the meds, not an actual virus.

Ever since I started Ozempic, I’ve had zero energy and body aches, pretty sure I’ve got the Ozempic flu.

by Retro Girl 13 November 10, 2025

party flu

The sickness that onsets, usually on a Monday, after a weekend full of partying and doing drugs.

Calling in to work -

Partier: Boss, I got the party flu I'm not going to be in today
Boss: No problem man. I'm just getting over my party flu from last weekend. It was hardcore.

Partier: Thanks. See you tomorrow

by big booty ho's January 23, 2017

heidelberg flu

1. A person claiming to be sick in order to get out of prior obligations - to play hooky.
2. An accurate description of your hungover co-worker.
3. The classification of a weak person that doesn't know how to tell people to fuck off, so they make the excuse of being "sick"

Kenny called in "sick" to work, but we all know he has the heidelberg flu.

by EffTheLogic January 29, 2020

sawg flu

twist on swine flu. meaning your swag's presently at an all time low.

dude1: man that chick was not buying what i was sellin' one bit.

dude2: lady friend's got you in a funk, huh? sawg flu, major. SHOTS, now!

by DePue rep. June 24, 2010

Roo Flu

A flu consisting of partying for 6 days at Bonnaroo while your body is a trash can for drugs and alcohol resulting in your body’s immune system lowering from being around sweaty wooks, the sickness usually consists of coughing up phlegm, headaches and throwing up, you will probably be bed ridden for days and down Dayquil and Nyquil like a degenerate while suffering random coughing fits and the cold embrace of feeling like death

Wook 1: Man, I was at bonnaroo last week and I feel like dogshit
Wook 2: You got the Roo flu man

by daemon. June 21, 2023