When small skinny guys get intimidated and scared talking to bigger guys are try to stick their flat chests out to look bigger. Like a pufferfish.
'Sean is talking to Mike' ' is he doing the pufferfish?' ' yep'
by Real Samsons Lifters April 10, 2018
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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."
by Gory Spirit March 11, 2011
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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.
by grain call November 19, 2019
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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.
by Juan Jose Torres Ramon October 18, 2019
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When you're eating somebody's ass and they fart in your mouth, causing your cheeks to puff out like a pufferfish.
Carla gave me the pufferfish last night when I was tongue puching her fart box.
by PookumsDot December 03, 2019
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A pufferfish is a person that is considereable larger than the pics that they showed you made them appear. Unlike a catfish it's them in the pictures.
The chick I met on tinder was a pufferfish. She said she had curves but she was 400lbs.
by Dr Buds June 23, 2018
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