while fingerbanging a woman, you gradually add fingers until the whole hand is inside. when the woman is about to orgasm, you ball the hand into a fist.
that girl claims to be a virgin, but i gave her the blowfish last summer.
by ron c the great February 14, 2007
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When you see a cute girl on tinder or other social media and then you meet her and she's actually twice the size of her selfies.
"Zachs been talking to this hot chick he met on snapchat. Turns out she blowfished him and she was huge"
by Bravotango7 March 10, 2017
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The act of pressing ones lips against a transparent surface, typically a glass window, to form a seal and then breathing out to expand the cheeks.

Generally the intention is to disgust or taunt anyone that may be on the other side of the window. Although slightly less offensive, the action is performed in much the same manner as to chuck a browneye.
"Quick, Sally's in her car, do a blowfish on her window!"

"Haha, blowfish!"
by Heath Raftery November 28, 2007
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Describes the face a girl makes when you nut in her mouth and it expands her cheeks, making her face resemble that of a blowfish or pufferfish.
Trista offered to suck me off, and that bitch looked like a blowfish when she refused to swallow afterwards.
by WhoDatFreshBoi October 20, 2018
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When you get a girl to lick your asshole and you fart in her mouth her cheeks puff out like a blowfish.
She was going for the bunghole so I shot her a big blowfish.
by Freebird September 17, 2003
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Getting a blow job while in a hot tub, or any other form of water. To be defined as a blowfish, the girl's head must be completely submurged under water, except to come up for air of course.
Girl: Wow this hot tub is nice.
Blowee: Yeah it is, have you ever given a blowfish?
Girl: No, what's that?
Blowee: I'll show you, here's a snorkle.
by sharkface August 4, 2009
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blowfish one who talks out their ass excessively always spewing nonsense constantly in quite an irritating manner
my old neighbor is a blowfish he always talks out his ass spewing useless nonsense constantly in an irritating manner
by blueskypanda March 7, 2021
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