A shitty old meme that Finn generally says and think it's funny.
Finn: Oh shit waddup!

Finn: Ey B0ss!
Jack: Fucking stop.
Jack: You have stale meme syndrome.
by whysissi July 5, 2016
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People who are affected by Stale Meme Syndrome send old (stale) memes and think they are funny.
Friend 1: *sends troll face meme* "Haha! Look how funny this is!"
Friend 2: "I'm sorry Friend 1 but I think you have Stale Meme Syndrome."
by Sexy_Beast_Fuggler April 24, 2016
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