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lol- just imagine a physics porno. or porno physics.
imagine bringing an instructional video to class?
"now...you'll notice that my ejaculate is exiting my penis at an angle of about 38 degrees with a velocity of...."
"now here's a little quiz question- If i'm humping forward with a velocity of 1 m/s at the time of release how much further will my ejaculate go than if i was humping backwards at the same speed?"
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