When a man ejaculates onto his partner, and uses his finger(s) to make a drawing out of his spunk.
Last night I painted a flower on her back with my seed.
Originating in the film Zach and Miri Make a Porno;
When performing anal sex, you pull out and your partner proceeds to shit all over you.
Deacon: (After being covered in Stacyâs feces during an anal sex scene) Can you believe this shit? She frosted me like a fucking cake!â