C.O.W. Stands for crazy old woman.

A woman who is crazy and old.
by Downvoting Victim July 23, 2005
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For those who are too cool to say the word "concert" but feel too uncool to say the word "show" thus, the word "cow" is created. It can also be used if one doesn't know whether to consider the cow a concert or a show: concerts are usually big, shows are usually local bands.
Joe Breston totally tore up that amazing cow last night in the mosh pit.
by spritehehe May 11, 2008
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What you call someone that is really fat
You obese cow!
by tacocheeze August 05, 2016
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bad translation of a phrase in hebrew meaning "step by step"/ "slowly, slowly"
your class is about to take 5 really big tests, in order to pass them you'll have to do it cow cow.
by shaniki May 31, 2007
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adj.
1.moronic,clumsy,foolish
2.not able to learn because of his brian condition
Bush is a on-cow-cow fucka
by sonx May 04, 2005
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Anything that is not a cow. It is sometimes used for tags when you can't think of anything else to put in. Also, It can be used for answering a question that you don't know the answer to.
1. TAGS: Carrot, pie, elf, lichen, omelette, Not a Cow

2. Manager: "So, Alex, what have you been working on?"
Alex: " Uh.... Not a Cow?"
Manager: "You're fired."
by Lilli the Excellence June 10, 2010
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