The next day after-effects of drinking Knight's Head Lager the night before.  This condition includes stomach cramps and severe diarreah and can last up to 2 days.  This is not a chivalrous poop.
"How was your Knight's Head last night?"
"It was good, but today I missed 3 classes due to the Pooponic Plague."
"It was good, but today I missed 3 classes due to the Pooponic Plague."
by chugers April 14, 2009
 Get the Pooponic Plaguemug.
Get the Pooponic Plaguemug.