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/si/ kou A female of large stature, most commonly identified by the presence of FUPA, Back Breast, and Dunlap vaginal disorder. many species are described as having a beard with pubic follicular likeness.

Sea Cows are predatory creatures, known for cutting in line at barbeques, spaghetti feeds and public buffets. Sea Cows are attracted by the rattle of ice in a Diet Pepsi cup or the crinkle of an empty chip bag.

Sea Cows Typically live in first floor dwellings and tend to use public transportation as automobiles tend to be tight quarters due to their large stature.
while i was in line at the buffet i was bitten by a feeding sea cow
by bmslyer June 09, 2011
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a psycho ex who gains 75plus pounds following a long over-due break-up.
Leanna seacowed after that long over-due break-up with James.
by Yea, I'm that Guy April 09, 2009
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Term used to describe a female that forgot to put the fork down.
"Dude, did you see that seacow? I was afraid the porch was going to collapse"
"That party was great until the seacow showed up."
"Why the hell did you leave me stranded with the seacow?"
"Yarghh, there's a seacow in me shanty."
by Cpn Ahab August 20, 2009
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sea cows are another name for the sea creature the manitee, although recently, in boston, 'sea cow' became a popularly used term to describe a fat chick.
all these bitches in boston wear babydoll t-shirts and low rider jeans, with their guts all flapping over the beltline, they look like a bunch of sea cows!
by Aretha April 21, 2004
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A big round and worthless person in ISMO. A Seacow lies and tells stories that have never happened and will never happen. Everyone in Japan hates Seacows. This creature usually has a background in Communication.
Person 1: We need to get that request done ASAP!!!

Person 2: We can't, we have been waiting on Seacow all damn day!

seacow: whatever you have done I have done 10x's better.

TNA: Everyone in Japan hates you....stop lying to yourself
by TNA69 September 03, 2009
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