It means when you are in awe to see or hear something or someone.
Holy moo cow did you see that Yak!?
by Jessica And Carly March 21, 2007
Get the holy moo cow mug.
A cow that does not moo, unlike the moo-cow that actually moos.
Non moo cows DO NOT moo.
by Ane the Tiger September 17, 2014
Get the non moo cow mug.
God damn my baby moo cows are sore from running today!!
by chickenpotpi3 December 9, 2015
Get the baby moo cows mug.
A very fat woman, can be used as an insult directed toward a guy, could imply that said guy likes "Moo Moo Cows"
Alex: you Moo Moo Cow!!!!
Carter: I only nudged into you, Jesus effing Christ!
by scottbiker May 16, 2009
Get the Moo Moo Cow mug.
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 21, 2005
Get the moo-cow eyes mug.
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
Get the Moo Cow Theory mug.