Have you ever picked your nose? Do you do it obsessively? There is actually a word for obsessive nose picking, it’s Rhinotillexomania. So if you are an excessive, obsessive nose picker I suppose that means you are a Rhinotillexomaniac.
If my Dad saw someone picking their nose he’d say ‘Are you stopping long’, for which the usual response was ‘Why?’ Dad’s response was ‘Because you’re unpacking your trunk!’