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a fat, lazy person who just wallows around in his own deep-sea bullshit all day. He or she typically lives with his parents and plays video games all day.
Garry: "Hey, where's Mike?"

Aaron: "That Big Tuna? He's probably playing video games in his parents' basement."

Garry: "Should we call him?"

Aaron: "Nah, he's probably busy on 4chan"
by Bawssey_Sauce March 17, 2013
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