Big tuna is someone who is a terrible person, they are very manipulative and everything that comes out of their mouths is a lie.
by 1234spot February 07, 2020
by Miss Chananandler Boong June 28, 2015
Jim from "The Office"
by Ben Shanahan March 28, 2007
by It's a stone Ruigi June 16, 2018
by Biff Buttsack September 01, 2006
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"
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 18, 2013