A sex fetish that involves one participant to be tied up on a crucifix to resemble Jesus Christ. After this is done, multiple partners defficate and urinate on this person.
I'm really in the mood to do a Filthy Jesus tonight, let's call kevin.
by Iplaymallets January 15, 2009
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When one performs anal intercourse while moaning a "hail Mary."

Afterwards the male withdraws his fecal covered penis and scrapes off a sample of the blessed shit with two fingers and smears it in the shape of a cross on the subject's forehead as a priest would.
"I stayed late after church and old Father Monroe gave me a filthy Jesus ...The stench was unbearable and it still won't wash off. Crazy enough, I haven't missed church since."
by Komodai April 8, 2006
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