when everything is about you wheter you want it or not. someone who is always the center of the attention even when is not even trying, because is too damn relevant and outstanding to not be one.
"Man, I'm telling you that NCT Taeyong has centeritus. He is always outstanding in group pics even if he is on the left of the pic."
Someone who insists they get the best room in a broken down manor even if they didn’t want to have anything to do with it ten minutes beforehand and it doesn’t matter anyway because the manor is imaginary.