My sister in-law came out with this one

Everyone knows floor germs are the most vicious germs there are.

Well if you put somebody's genitals in your mouth where others can see they might not be as ok with that either ;)

My papa will eat a chip off the floor and he has three dogs that frequently come inside. Moral of the story: if you eat off the floor you will live longer

I know for a fact that I wash my junk more often than I mop my floor.