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 6, 2010
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The act of a naked person who has not wiped their anus well sitting on your face and facing your feet, thereby leaving a dark and dirty spot on your forehead.
Ash wednesday came early this year when Donna sat on my face after she dropped a deuce, didn't wipe and left some shit on my forehead.
by Samanda July 31, 2006
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An inside joke from males in an YMCA adults seminar on learning to read and write.
"I wrote on the calendar that next wednesday will be 'ash wednesday' then girls will let us score.
by Ron Jizzle March 6, 2004
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The first day of Lent on which every Catholic boy says they are going to give up jerking off for 40 days but in reality their promise lasts about one night.
Garrett: You looking forward to Ash-stinence Wednesday?
Carey: Well, it doesn't really matter since I already jerked off this morning.
Garrett: At least you lasted longer than most guys.
by Holy G February 21, 2010
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Immediately after anal intercourse you stamp it on your partners forehead, leaving a dark smudge on their brow.
It was only Tuesday when I gave Amy an Ash Wednesday.
by Hali Sweep June 20, 2021
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Drawing a cross on your partners forehead with a shit tipped dick after anal.
Fucking my girlfriend in the ass is so spiritual for her that I bless her with an Ash Wednesday when I’m done.
by Lildeb830 July 13, 2022
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