The idea that once a man sleep with a woman, she becomes 'old news' and he is no longer intrested in her. To sum up, it means that men genitically cannot have commitment. As stated by the movie Someone Like You
"I don't understand how he could cheat on me!"
"It's simple, The Moo Cow Theory"
by sarvv January 25, 2010
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A word describing a male with a large head who also has large eyes that extend from his face, looking like a cow.
The Needhams have moo-cow eyes.
by chris January 20, 2005
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Far chick you wanna fuck and don't mind being seen in public with.
Sean fucked that fat girl.

Yeah, but that's his sexy moo cow.
by latmfrh June 15, 2016
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A fat ugly fake ass greedy dirty stinky sweaty grimy bitch who thinks she's the shiznit and is too much of a pussy to be real.
That WENDY is a MOO COW CUNT

Does TAMIKIA know shes a MOO COW CUNT

That MOO COW CUNT is a rug muncher

T, Im not sitting next to that MOO COW CUNT, she has herpes!
by tea baggin March 12, 2010
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An original cookie base out of Freeport, LI. Originated out of the pure wub for the world, meant to be share and not to be withheld from the world.
OMG moo cow is bringing Moo Cow Cookies!
by Gbarr85 April 09, 2010
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When a partner performs a masturbatory action on ones member, and similtaniously licks ones ring piece.
Nicola performed a moo cow rimmer on me last night, she tossed me off while eating my ass!
by RebelRL May 29, 2007
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Plain old traditional whole milk, as opposed to the 21st-century fabricated "milks" such as skim, 1%, 2%, soy, goat or acidophilus
I just want back my moo-cow fuck milk! I know there ain't no such thing as soy milk because there ain't no soy titty, is there?
by GuidoPosse69 February 08, 2005
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