A portmanteau of “jerk off” and “interpolate.” The opposite of "jackstrapolate."

To imagine what an attractive older woman would look like in her prime, for purposes of masturbation.
Me: “Yo, check out that broad.”
Him: “Yo, but she’s maaad old!”
Me: “Yeah, but you can tell she was hot like 20 or 30 years ago. I jerkterpolated her age. I’m gonna whack off to her much younger self later today.”
by Deez Leeemz September 10, 2020
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