1 definition by _gbangz

The biggest, tallest and loudest person in a group of individuals. Mostly known for their size, however one might also be called Big Tuna, because they are the biggest failure or flop you have known.
Nathan: “Look at that giant girl over there, her shoulders are huge!”

Lucas “Oh that’s just Big Tuna”

Katherine: “Whatever happened to Jim, I heard he was going to become a lawyer?”

Darrell: “Nah he’s a Big Tuna, I think he moved back in with his mom.”
by _gbangz November 23, 2021
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