There are other words you may wish to use, but unless you are a health blogger, try and censor them as follows:
Penis turns to P3nis or P*nis or even Joystick
If I have shown you this, then you probably know what to do with others. This will help save you even from robots that raise red flags automatically from words detected on web pages.
This will save your @$$ from getting flagged by Google search.