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14.
the indication to end an unwanted conversation
say "Sea horse" to indicate you are done talking with that person. Equivilant to "this conversation is over"
by J.S.H.T. October 07, 2008
 
1.
When a man's semen ends up on his stomach, either by his own handywork or with the help of another; inspired by the species' method of reproductive development wherein the male carries the embryos on his stomach region.
I didn't have any tissues near by so i just seahorsed myself and passed out.

She doesn't like to swallow, so she usually just gives me the ol' seahorse.
by scrote-dogg June 02, 2007
 
2.
1. a species of aquatic animal, especially one that is so beautiful and cute
2. an aquatic animal that looks good on blankets, towels, little bags, etc..
Usage:
I love the seahorses, they're so beautiful and cute. I love 'em

Seahorses. Forever.
by T-roy Jaankins March 26, 2011
 
3.
A guy who is totally smitten with a girl. If a guy really likes a girl, then he is said to want to have her babies like a seahorse. (Much like if a girl really likes a guy, it is said that she wants to have his babies.)
"Yeah, we've been seeing each other for several months; this guy is totally my seahorse"

"Do you want to have her babies like a seahorse?"
by Ellie A. Nor May 05, 2006
 
4.
When you tickle a person behind the knee with your foot: Used to induce an orgasim. Not a 100% guaranteed.
"Hey, today in business class. I gave my friend a seahorse."

"Really?"

"Yeah, but he didn't come"

"Shame..."
by SSeahorse January 13, 2012
 
5.
A quarter-note rest in music, because of its shape.
This music is boring! There's nothing but seahorses for twenty bars!
by pentozali March 19, 2008
 
6.
GO into a fairly nice sized pool. Assume the piledriver position.Then just kinda move your way across the water while still in the position.
Johnny gave that chick a seahorse
by Corey Wagg October 17, 2006
 
7.
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 24, 2010