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A nonstop finger-flicking marathon until you’re too tired to feel pain, or three or more guys sploshing their jizz all over a person like it’s a prank.
My cousin did a jackoff assault for six hours and still had energy to beat me up.
The guys in the back of the bus did a jackoff assault on the teacher and she fainted.
He did a jackoff assault on his girlfriend and she screamed like a banshee.