To my knowledge there is no official "slam" I think they are simply contrived. I mean there is the "grand slam of Turkey", the "grand slam of sheep", the "super slam", etc etc. I don't know if you actually get put in any book or club by doing it but it is a great accomplishment nonetheless. I done a google search of "super slam of hunting" and found this article interesting: http://www.huntingmag.com/big_game/degree_difficulty/