The act of defecating liquid feces in a water balloon and throwing it at one's penis. It takes immense skill to be able to hit the target, and commonly hits the walls/floors.
Jamie gave me a splat job last night, and boy was it messy. It took me three hours to get it off of the walls, but you know what they say; Practice makes perfect.
by Calimari man May 03, 2017
According to Stewie Griffin, it is when a person is sound asleep, and someone secretly ejaculates onto their face.
He gave her a Splat Job!
by Jonothan Evans October 21, 2018