the act of going in to give somebody a hi-five, but instead you you make your hand go limp and yell out "Dead Fish!"
caution, this can be very emotional for some, and can cause some misunderstanding between friends.
Amy: Hey Quinn.. Hi-five?
*puts hand in the air*

Quinn: Yeah sure!
*puts hand in the air and goes in for the act of friendship*

Amy: *drops hand in limp motion*
"DEAD FISH! hahaha!!"
by -amyy April 08, 2008

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Top Definition
A condition while having sex in the missionary position that the female on bottom will just lay there like a dead lifeless fish.
Girl's thoughts as a dead fish while having sex..... " Do I need anything from the store today?" "I need to pick up my drycleaning" "God...is he done yet?"..."We really should paint the ceiling"

Guys thoughts while having sex with a Dead fish... "'I am the shit" " I am fucking her so hard she can't move" "Look at her eyes, she can't even look at me I am such a stud" "fuck yea...I rock"
by J & R Cock March 26, 2005

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Person who lays in bed without doing anything during sex.
He is real cute but in bed he's a dead fish!
by Xander October 29, 2003

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the act of being non-participatory during sex; i.e., just laying there while you're getting fucked. (This applies to both genders.)
"He just laid there and didn't do anything. He was completely deadfish." "I don't really like having sex with him, so I deadfish hoping he won't like it."
by Dorfner July 22, 2008

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What I'm going to hide under the seat of my ex's car.
(After getting into the car)
"Is that dead-fish smell me, or is my new girlfriend just in the car somewhere?"
by His worst mistake February 29, 2008

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1) the act of being non-participatory during sex; i.e., just laying there while you're getting fucked. (This applies to both genders.)

2) While offering someone a high five, when the other person goes for the high five, you quickly put the top of your hand down touching the bottom of your hand and yell
deadfish1) he just laid there and didn't do anything. He was completely deadfish." "I don't really like having sex with him, so I deadfish hoping he won't like it."

2) "When our team scored a touchdown, I deadfished my friend by completely faking my high five."
by santanotreal November 03, 2008

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When you are going down on a girl and she has no emotions and her face looks like a dead fish and is dissatisfied.
Matt Austin was finger blasting this girls snatch super hard and went down on her and she instantly looked like a dead fish.
by bitchtits907 May 18, 2013

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A grotesque, smelly carcass that lies on a seashore. Whether that fish died after eating our crap or from natural causes, its very sight is enough to make us lose our lunch. Don't. Swim. Here.
After that big rainstorm last night our beach was littered with dead fish. They had their last supper of raw sewage and God knows what else, but I'll never drink the water again.
by pussycat1968 August 10, 2015

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