The streaks left on the inside of the toilet bowl after a massive bowel movement, particularly those left after the toilet has been flushed.
âDude I flushed twice and thereâs still shit on the inside of the toilet.â
âThatâs the Devilâs Graffiti, baby.â
The streaks left on the sides of the toilet bowl after an explosive bowel movement, particularly after the first flush.
Them: Iâve already flushed twice and thereâs still shit stuck on the toilet
Me: Thatâs the Devilâs Graffiti, baby. You canât deface whatâs already been defaced.