Definitely not, silly idea Stopping what is thought as slang is a terrible idea because banning it in a school will not stop students from using it. What are they gong to get if they say 'init'? A lunch time detention? That is really going to show them, they will just laugh. Furthermore, I think it is obvious that teenagers know that they should not use 'blud' in an interview. If you think that someone will walk in to a university interview and say 'sup' then I think you should seek help.