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A gastrointestinal illness that comes on suddenly with strong symptoms. It quickly spreads to an outbreak of epidemic proportions, causing panic, hysteria, and a fleet of ambulance buses to come take people to hospital. May or may not be food poisoning.

As seen at Humber College on Jan. 19, 2017.
Megan: Hey, I haven't seen Ben in a couple days. What happened?

Warren: He must have the Humber Flu.
via giphy
by Not sick... yet January 20, 2017
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