1) A cow that has some religious significance
2) An expression of amazement
1) I'm going to pray to the Holy Cow for rain.
2) Holy Cow, I have a large weiner.
by u n h April 24, 2003
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A really crappy bar in SOMA.
Let's go to the Holy Cow, drink cheap drinks at happy hour and make fun of the frat boys.
by lloyd d April 4, 2006
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Slang for a church organ due to its large and bellowous nature.
...and they all gathered around the holy cow and sang hymns.
by boogers_megee April 28, 2009
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a term which is often exclaimed by a party in disbelief. Usually the person who uses such a phrase will originate from the midwest and may or may not be named dave.
"someone's at the door, should I hide? she's pissed, is it your wife?"

"holy cow! let me hide with you!"
by MintyLeila June 25, 2005
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A cow which deserves our reverence and respect. All hail the holy cow!!!
We now bow to the holy cow!
by UnoWho November 19, 2004
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