A sexual position in which the person who will be penetrated puts their legs behind their head. After doing so the person who will do the act of penetrating commences with penetration.
She's really flexible man, she can do a Bionic Seahorse!!!
by Syd Manson December 29, 2010
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When a man give another man a blowjob.
Franklin gave Tyrone a gay seahorse to him the other day.
by apmessi December 10, 2016
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When you anal-ize a pregnant woman in a bathtub.
"Last night Sally and I did the Pregnant Seahorse. It was awesome. I was blinded by the awesomeness of how awesome the awesome seahorse was."
by Trevor and Robert April 30, 2009
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When a man has an unusually small unit, sometimes referred to as an inny in cold weather situations. Less than 2" long dick
Joe's dick was so tiny, we said he was Hung Like A Seahorse.
by o.t. guy December 9, 2010
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Definition is dependent upon usage. it can be dirty when placed inside of sexually related sentences or it can mean when someone tries to bring you down or is hating on you.
Brittney: You're such an ass
Kerry: Yeah you're so mean
Phil: Why's everyone tryin to salt my seahorse

or

Kerry: That's dirty. like salting my seahorse.
by Phil's so nice January 4, 2010
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a male seahorse give birth (idk why) but when he gives birth it looks like he’s having a seizure, the ugly rat fucking children come out of his stomach because he’s tony lopez and eats little kids.
woah that seahorse giving birth
by idk what my name is lol November 12, 2020
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A girl the wants oral sex performed on her

"I want you to lick my seahorse"
Oral sex I want you to lick my seahorse
by cunts fucked May 18, 2014
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