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The sexual act of smearing cum on someones forehead in the shape of a cross.
The father said to his son "for you to become a man, you must first white ash wednesday a one night stand."

The girl was obviously not christian, so I had to convert her with a white ash wednesday to the dome.

Like Biggie smalls said "smack a bitch in the face take her gucci bag and white ash wednesday her in the face."

The reason Hitler was so angry is because no man or woman would let him give white ash wednesdays.
by HJF, MFG October 05, 2010
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