A Dirty livvy is when you Poop in a cup and rub it against a wall. It's only a Dirty livvy when you yell "Shitting in a cup is the new world." While your writing along the wall
"PERSON 1, :What on earth are you yelling about!?"
"Person 2, :I'm doing the Dirty Livvy!"
"Person 1, "OH yeah! Let me join you."