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2.
The age-old art form of leaving poop stains in the shitter.
My wife often leaves poop-stains in the toilet. One day she called me at work and said that the poop stain bandit had struck again and I asked her if it was an act of graffeces? Needless to say it stuck, LOL.
by Poop Stains Hoenie August 30, 2009
 
1.
Using fecal matter to write or draw with on a wall
There was some Graffeces in the Underground Tunnel
by Graffeces July 29, 2006