A word affectionately used to describe elderly people.
Look at the old Seabiscuit walking out of the Nursing Home!

Jorge Lopez is a Seabiscuit!
by Luke Solosky September 29, 2009
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A person who resembles a horse. This can be in several ways such as long hair similar to a mane. It can also include making horse like face gestures such as chomping/licking of the lips and mouth. Another way can be stomping and clomping around in an aggressive manner.
Look at that seabiscuit over there for a second I thought she was a horse!
by hb93dlmn November 23, 2009
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A good way to not use cuss words in front of you parents, grandparents, at church, ect. It was also a movie about horses that kinda sucked. Another good word to use in place of a cuss word is "Malcom Jamal Warner!"
I was about to scream "Goddamn!" in front of my grandparents, as i had just knocked my shin into there stupid glass coffee table. Luckily i caught myself and screamed
"Seabiscuit!" instead.
by malcom jamal warner January 16, 2007
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When your penis drops down after emerging from a vagina or other crevasse after you go to town on her (or him if you're into that).

The joyful feeling after you've cum and your penis can finally rest, whilst still being fully erect like a racing horse.
"I pummeled her so hard that my dangling seabiscuit lasted over 30 minutes."

"That girl Nicole gave me a weak dangling seabiscuit last night."
by Not that Guy you think May 13, 2019
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A vagina. Usually one that is quite moist, produces thick white matter and has quite a salty flavor.
By fucking Angie for almost three hours, Rob turned her once thin and delicate quim into a foaming seabiscuit.
by Fav December 1, 2006
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(noun) The bubbling fuzz produced from rapid fucking. 2. A pussy that has an unusually large amount of discharge. 3. An infected vagina. 4. The froth on a horse's mouth.
A man says to his son, "When it comes to women; look before you leap. If you see a foaming seabiscuit, get the hell out of there!"
by Antenna Wilde February 14, 2008
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A phase that David L. uses to tell a person that they need to slow down or that something will go out of control.
Kyle: Dude, lets jump off the top of my house!
David: Easy Seabiscuit! I kind of like my life and legs.
by Special D February 11, 2010
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