by Miss Chananandler Boong July 09, 2015

by It's a stone Ruigi June 17, 2018

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 17, 2013

by ninja babe November 15, 2004

Jim from "The Office"
by Ben Shanahan April 03, 2007

by Biff Buttsack September 01, 2006

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
