it means, you are an idiot, and you are reading to much percy jackson books
hey brian, hey, guess what, what, your are a seaweed brain
by andrew17 November 23, 2010
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1. (Noun) A seaweed bitch is a woman who can be seen taking refuge in most second rate beaches around the world...or in any third rate club. She exhibits the traits of being ugly, simple, shallow, and poor.

2. (Noun) A seaweed bitch is a slimy, deceiving, bottom of the ocean slut.
Ex. "These seaweed bitches ain't loyal."

Ex. "Dude, you got crabs from that seaweed bitch last night."
by Special Strykers January 7, 2015
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Non-contiguous fecal matter with a green hue that resembles seaweed in a dirty pond, resulting from eating half a jar of spicy pepperoncinis, drinking approximately 8 beers, and letting it ferment in the stomach overnight.
Dude it literally took me 40 minutes to squeeze out that seaweed poo this morning and now my bunghole burns.
by BigArns1 September 1, 2009
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To smoke copious amounts of marijuana for an extended period of time.
Dude, I'm on the seaweed diet. I see weed and smoke it!
by captain stu July 21, 2010
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When an intoxicated man getting sexual pleasure from placing salty seaweed upon each of one's sweaty nipples
Person: Dude, are those seaweed nips?
Dude: Yeah, it makes me feel like Aquaman
by ThE_Bo$s June 7, 2020
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Dried man/woman juice on the pubic hair region.
Jemma was going to blow Graham but he had crispy seaweed so she decided against it.
by The wankster May 1, 2011
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A girl who is so nasty she has algae on her nuva ring.
by Goose Honkers April 20, 2018
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