Adult Humor Tees: Math Pun Sex Is Fun Math Equation T-Shirt

$15.99 (as of February 23, 2018, 5:22 pm)

The integral of e to the power of x is equal to the function of u to the power of n. In short, mathematics tells us that sex is equal

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The integral of e to the power of x is equal to the function of u to the power of n. In short, mathematics tells us that sex is equal to fun. It’s one of the first math problems I understand!
Math can sometimes be hard and yes that pun was intended.
I might get confused with story problems, but this one I understand
Lightweight, Classic fit, Double-needle sleeve and bottom hem

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