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3.
The art of being a complete and utter jackass. Very few people can achieve such a great title, but there are some who define it well. Like a queer named c-dav.
Are you kidding? Of course you're a jackass! You define jackassedness!
by Jakobo April 21, 2004
 
1.
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.
by swimmerooo January 31, 2011
 
2.
The act of being a complete jackass.
Bob's jackassedness has caused us a lot of problems.
by Siyat September 17, 2011