tideywiper
An OCD person. In specifics, this word is generally used to describe someone who is so OCD that they are very tidey about wiping their rear. It is a derogatory term.
Person 1: "Man, she is such a clean freak!"
Person 2: "I know, right?! What a tideywiper."
Person 2: "I know, right?! What a tideywiper."