adjective: a being who possess a need for constant sex, much like the animal.
Man Anthony is so horny. He's such a seahorse
by Maximo the great May 25, 2010
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when you are drunk and fucking a girl, you pee inside her
Bob hooked up with Jane and gave her the seahorse.
by Blue April 6, 2005
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When a male ejaculates into a females mouth, in which she returns by spitting it into the males anus. Just like a male seahorse carries the offspring.
Ryan received a seahorse from some chick in a chevy truck.
by Papa-Juarez December 26, 2017
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A sexual position, where the female gets penetrated while being on top of the male.

Otherwise known as 'woman on top'
"What is your favourite sexual position?"

"Oooh...definitely seahorse"
by orpyhjrg March 18, 2008
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When a guy/girl is bent over their phone, while in stature that resembles the appearance of a sea horse (and usually on social media).
That guy has been seahorsing on his phone for an hour.

That girl looks like a seahorse when she surfs Facebook on her phone.

You seahorsed a lot last night while you were drunk.
by WestAndLondon January 21, 2018
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when there are a couple of sluts and then you look a little later and they multiplied like the asexual reproduction of a seahorse
Jim said he went bowling and saw these two girls, then looked 10 minutes later and ther were 15 girls, they reproduced like a seahorse!!
by joshdoubleu November 14, 2008
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A 46 year old man sticking ice cubes up a horses nose for fun
Person 1: Hey Person 2 what do you like to do for fun
Person 2: I’m a seahorse
by Eggineer December 28, 2019
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