Oxymoron.

You have learned to stick out. You do things alot different than others. If you take this feat, all of your dice rolls will be reversed. An example is that if you roll a one it would instead become a 20. Once you take this feat you must always alply this ability. 

Table:

 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

 20 19 18 17 16 15 14 13 12 11 10 9  8 7 6 5 4 3 2 1