Top Definition
When someone thinks they have whatever random flu they hear about on WebMd that day.
Guy 1: OH MY GOD, I AM SO SICK. I HAVE THE SWINE FLU! ZOMG!
Guy 2: No, you just have a case of the Sheep Flu
Guy 3: Oh No! I heard you can DIE from that.
by THE Tina April 29, 2009
5 Words related to Sheep Flu

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