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3.
a different type of cow than other types. first off, its also known as a dairy cow, and therefore makes milk. secondly, it is white with black blobs all over it. and finally, it moos. no durrr.
in the california cheese commercials, there are two different cows: the weeny longhorn males, and the kickass moo cows.

longhorn: neahhhhrrrrrr
moo cow:moo
longhorn:moo
moo cow: stfu, u ffing poser! u aint got no blobs on u! u aint got no rites to moo! MOO!
by lil smartass wigga September 10, 2006
 
1.
A distinct subspecies of cow. Noticeably different from the non-moo-cows as the moo-cow actually moo's.
Bob: Hey, look at the cows; they're mooing.

Wilbur: Those aren't cows, those are moo-cows.

Bob: What's the difference?

Wilbur: Cows don't moo... Moo-cows moo.
by General Cluck-Cluck June 08, 2003
 
2.
One of the coolest awesomest things ever! Moocows are a type of cow. Durrf. Moocows are my favorite word! MOOCOW yay!!!!
I like Moocows.
OMG MOOCOWS!
Im a moocow!
Wait no....
or am i?
by HellKatTsms April 14, 2007
 
4.
Many cows of the moo status. Cows that moo. Plural of moo cow.
Bob: hey look, moo cows!
Bill: hell YEAH!!!
by Full Metal Moo Cow July 02, 2006
 
5.
1. a fat hefer of a girl who, were she to graze with a herd of actual cows, would be utterly indistinguishable.
2. used loosely as a generic term for an ugly female
Wonder if that fugly moo cow has a contract with Kraft, uggggghh!!
by Farmer Brown July 15, 2003
 
6.
What little kids call cows
"Ooo look at them moo cows"
by psycho bitch February 24, 2004
 
7.
My awesome ass cat's name.
Guarantee it, he's better than your cat.
He's also way cooler.

He is cow patterned, he has a huge black splotch on his head and the black splotches on his butt make a thong shape out of the white. Two of his toes are black, his eyes are orange-gold, there's a spot on his left nostrils and his tongue is also cow spotted. He IS TEH SHIZZAY!
Me: AWWEH, kitty!!
MooCow: Meorh?
Me: Yes yeeeuuuu!
MooCow: Merf.
Me: DONTCHU 'MERF' ME!!!
MooCow: *looks up at me, looks at his paw, looks up at me again* MERF.
Me: AGH! You are SO not sleeping in my bed tonight!
MooCow: ...merf.
by Angeleah May 14, 2008