Verb. The act ejaculating on an erect penis. Can be a solo endeavor, but usually follows vaginal and/or anal missionary sex. See also; Greasing the Pole, and Buttered Sausage.
I accidentally walked in on Gerald “painting the shaft” after he pulled out of Mikey’s asshole and nutted all over his boner.
by Grundlethunder October 21, 2025
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