A person who is obsessed about cleaning, A person who is very particular about cleaning, A person who keeps everything around him/her neat and tidy, A person who would object if anybody litters. A person who like everything in order.
I always keep my room clean, I am cleanoholic. She doesn't let anyone litter on road, she is cleanoholic
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.