A girl that is so fat you wonder if she has propeller scars on her back because she grazes on kelp on the sea and would be in danger of getting cut by speed boat propellers.
Guy: ..But was she hot?
Other guy: No dude, manatee...I looked for propeller scars.
Guy: oh, oh thats awful.
by Jeremy April 28, 2004
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A mass so large it defies belief. it moves unbelieveble slowly
Person 1: Gosh, that Greg next door is such a manatee
Person 2: Yeah, totally
by tuut April 15, 2009
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A confident, tomboyish, and often large woman with a low voice, who is capable of impersonating and often out-doing the male singing voice.
I love Nina Simone's music. Her voice is so deep, and she sings with a ton of soul. That woman is a manatee.
by Jammd June 19, 2011
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When a man and a woman go to a buffet and pig out until their belly's are poking out and they are uncomfortable. They then go home, turn on the heat, strip naked and engage in the most wild, uncomfomfortable and sweaty sex.
Chica #1: How was dinner last night with Julio?

Chica #2: Oh my goodness chica, we did The Manatee.
by Julio Rumundo May 29, 2008
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Tasty little motherfuckers. Best served with a side of sea turtle stew and something else a little more endangered.

Also: When you're doing a mondo fat chick and take a taco (green) shit on her face.
They don't call Manatees sea cows for nothin'.

You like that seaweed, don't you?

by Captain Dugong November 06, 2007
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