a terrible sickness where you feel like you shouldnt be able to walk, but somehow you can. everything on your body is achy, you get the WORST headache, a sore throat, a cough, a stuffy nose, a stomach ache, and you puke. And this lasts about a week.

when you're hungover as shit after a spending a night drunk as a skunk

-Also shorthand for 'Influenza'.

influenza (almost standard English)

Blood gang Word for the color Blue

The flu is like being bulmic with out a chose

When something is so sick (see the definition of sick) that the next level of sick is FLU.