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A "Manatee Matriarch" is the dominant fat bitch, amongst a group or heard of grotesque obese women. This dominant land walking sea cow is usually the most socially developed and least shy to do ridiculous things. It is important to identify the "Manatee Matriarch" when taunting a group of fat bitches, for the "Manatee Matriarch" is the most likely candidate to thump you to the ground, should she manage to catch you.
"Don't piss off that bitch, she's the manatee matriarch".
"Look at that heard of land walking sea cows! Led by the manatee matriarch".
by The Crimson Adder July 07, 2009
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