I take a guilty pleasure in making gaynus jokes (which I first learned here). I also had my interest in Uranus renewed by a lecturer who tried to avoid negative implications by calling the planet "Urinus". This is utterly worse. The brain is already processing "Your anus" and then it gets peed into.
I avoid contemplating about impression left on my peers by these jokes.

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Please be careful with bristle hardness. I thought this was all about the wider end of an electric toothbrush at first.