This is a toilet thought, please ban me mods.

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[–] 1 point 3 months ago (4 children)

A long time ago I read somewhere that the human penis is indeed rifled.

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  • [–] 3 points 3 months ago (3 children)

    It's wrong. The stream twists because of the shape of the urethral opening.

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  • [–] 1 point 3 months ago (2 children)