Top Definition
nickname for anybody with the last name stein

usually used as an insult to said person

playing off of the disease swine flu

can also be used when talking about something the person with the nickname steinflu is doing
what up steinflu?

hey get away from my food i dont wont to catch the steinflu!
by hsquared1/64 October 23, 2011
1 more definition
a beer hangover
He's not sick, I left the bar at 8 & he was pounding down the beer then, he must have got a dirty mug after I left & up & caught the stein flu.
by elpasospike November 09, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×