Top Definition
a great way of saying.

cows like to do something.
everytime they moo -- they are masterbating, but you can't see it.
"sloppin' the pigs" -- if you get what i'm sayinn.

therefore, cows moo...everytime they see a "hot" ass cow.
moooooooo.. "ahh that bitch is fine."

so they say, "cows moo"
by cowsmoo21 June 30, 2011

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