In the design industry: an illness that is contracted through consistent client requests to center content: images, text, alignments, etc. The worst cases of centeringitis are seen through constant requests and even requests of having multiple central axis points on the same piece.
Johnny, I think I have contracted centeringitis and want to jump out the window.
A nickname for someone who is really happy, we are all made of Atoms and by using this nickname to someone, it will tell them that they are an individual!
Hey, look over at that girlover there, isn't she just a CheeringAtom?