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
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
The common name of the Great and Powerful Bovine Lord in the Sky, Who Will Pass Judgement Upon the Earth. Or so says my cult.
Oh great and mighty holy cow, please accept this sacrifice of a human heart
by RabidWombat June 2, 2004
A reference to a cow's religious status in India.
by sukebe September 19, 2004
A cow blessed by a high priest
I bless this cow...(as a priest dips him in holy water)
by Jim Beam May 31, 2004