male sexual 'air-brushing', ejaculation on a chosen (or not!) surface. (or: paint HER/HIM up)
eyeballing the jenkins babe, zack was possessed with an overwhelming desire to paint up 'prime parts'.

after a simple and seemingly innocent conversation, i left dreaming of the day i could paint her up!

jane encouraged big bull to paint up prime parts
by michael foolsley May 20, 2012
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To ejaculate on another person's face.
"Girl, you lookin' good tonight, couple more drinks and I'm gonna paint that face up."
by BigLue February 12, 2010
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