Top Definition
A temporary flu that is caused by excessive drinking of cheap beer (ie Old Style) all weekend long, resulting in an absence at the workplace, usually on Mondays.
Bob: Joe didn't show up for work this morning...
Billy: I think he has the Old Style Flu!
by NexxuSix August 22, 2011
Free Daily Email

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

Emails are sent from We'll never spam you.