The trajectory of one's urine when directed onto something belonging to someone else.
My favourite part was the instant I released the piss from my vas deferens and it began the arc of the covenant
by Rolfus December 24, 2007
1 more definition
To produce a bowel movement so extreme in its smell that the next person who enters the bathroom into the room will have their face melted off, a-la Raiders of the Lost Ark when the "Arc of the Covenant" was opened.
"Guys, I had a big steak dinner last night along with some onion soup. Now that I've gone and finished my morning coffee I'm gonna go to the bathroom and open the Arc of the Covenant."
by Alex Flores November 15, 2007