Jackassedness
where one's own stupidity/behavior is the reason for the disappointing situation they find themselves in.
Q: Why did you lie about taking a cookie from the cookie jar?
A: I believe it was my own jackassedness.

Due to your jackassedness, the entire class will not be going on the field trip.

Due to your jackassedness, I find you in contempt of court and sentence you to six months of jail.