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!
n. - Receiving fellatio while excreting a huge
pile of steaming shit. But be careful! Afterall, we all know that while one
is excreting, one is tempted to urinate after the drop of the first loaf.