Somebody that always does disgusting things, such as eating things off the ground.
Person 1: Dammit! I dropped my sandwich on the ground!
Person 2: I'll eat it.
Person 1: You're such a germophile!
A person who loves germs. Opposite of germaphobe.
"Oh no! Your baby is eating dirt!"
"Don't worry, I am a germophile. We believe the more diverse your gut flora, the better."