When one sprays and blankets (fully or partially) another with their own reproductive fluids, typically follows a deed such as sex or oral sex, but is not limited here. Paint Jobs are gender-neutral.
"Hey man, you should have seen the Paint Job I gave this girl who was passed out in the quad"
"My new girlfriend isn't on the pill, so I'm giving her quality Paint Jobs every night"
"Trashell, Eugene flicked my bean so professionally last night I gave his face a serious Paint Job. Before he could even do it again I gave his face a second coat!"
The act of a girl/guy placing their mouth on a man's penis and "painting" it with their saliva. This involves the bobbing motion of the head and possible swirling of the tongue around the penis.
1. Last night sally was giving me an awesome PJ, but then her mom walked in while I was cumming on her face.
2. yesterday, I saw a guy getting a paint job in his Red Tahoe!