Top Definition
When you come back from a LAN party/gaming event and you get flu-like

symptoms from being around other dirty gamers for a whole weekend
Guy A: "Duude I'm feeling a little under the weather."

Guy B: "why?"

Guy A: Just came back from an MLG event...."

Guy B: "Ahh... must be the LAN Flu ."
by derppy November 25, 2013

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