When a guy inhales as deeply as he can and flexes his muscles to seem bigger. It's usually done to seem more impressive in a photograph, but sometimes as an attempt to scare away a rival male.

Guy 1: "I was going to kick that nerdy guy's ass, but he took off his shirt and was buff."

Guy 2: "He was doing the Pufferfish."

Pufferfish by Gory Spirit March 27, 2011

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Pufferfish

Any of a family (Tetraodontidae) of chiefly tropical scaleless marine bony fishes which can distend themselves to a globular form and most of which are highly poisonous.

Honestly i was kinda grossed out by the pufferfish video but then i heard that fucker chomping an moaining and now i cant get enough of seeing that duisgusting freak of nater getting brutalized.

Pufferfish by grain call November 19, 2019

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Pufferfish

A Pufferfish is a variety of catfish catfish on Wireclub Wireclub that isn't only ugly but also obese.

Trust me she's definitely a Pufferfish. I've seen her real pics she's a bbw bbw without the second b.

Pufferfish by Juan Jose Torres Ramon October 18, 2019

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pufferfish

a slur used against homosexual men, it’s mostly died out and barely anyone uses it

p1: ‘i bet he’s a pufferfish’
p2: ‘stfu’

pufferfish by themadnesswithin February 10, 2021

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