2 definitions by oregoncoastgirl

Top Definition
When, during the act of anal intercourse, the male removes his penis from his parter's anus and smears feces & ejaculates on the partner's back, thereby creating a masterful work of art.
"I've never gotten the dirty Picasso, but I hear it's a pain in the ass to wash off your back."
by oregoncoastgirl March 21, 2007
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