russian flu

A rare from of flu that starts off like a common cold, but you still end up dead. Then it turns out you had been poisoned with Polonium or some sort of neurotoxin.
Brian: "Have you heard about that spy who allegedly got poisoned in England?"
Sam: "Eh, he just got the russian flu, nothing out of the ordinary."
by anontheautisticretard March 13, 2018
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Half-flu

Carl is working from home today as he has half-flu
by efsquared May 07, 2019
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government flu

Another name for COVID-19, popular among Republicans
"Mom tested positive for the government flu yesterday."
by deSuperNoodle March 02, 2022
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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
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24 hour neck flu

When your neck is so sore that you cant go to work but really you've just been up all night partying.
Sir, I cant come in to work tomorrow. I have the 24 hour neck flu.
by frogdoggie March 21, 2019
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Nico flu

Very savage flu, only god like people can survive it.
I hope it’s not Nico flu
by Dr SoTrue June 06, 2021
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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
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