Sam: god, my geniusness is just so great. who else could have thought of a brilliant plan to get Rachel to stop reading our shit?
Stephanie: you're so right! hey wait a minute, GENIUSNESS IS NOT A WORD!
Sam: of course it's a word. you can add '-ness' to any word and it's a word, trust me. if you don't believe me, go on www.urbandictionary.com in like 4 days and i PROMISE it'll be there.
Extreme level is genius. Hard to achieve, nearly impossible, most only end hurting themselves attempting to reach it, occasionally even expulsion. In the rare case though it is reached, the person reaching it is truely amazing and should be treated as such!