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8.
The act of being abusive to other people.
Assholism is so common these days. We keep hearing about all sorts of crimes as well as bullying in the schools. It's terrible!
by funny fella January 13, 2014
 
9.
A term to describe the characteristics of a player.

This includes:
Knowing to make a guy/girl laugh
How to keep your other coming back
Slick language
Knowledge of body language
Manipulation of the mind.
Why do all the cute, fresh guys have to be assholes?
Because they develop assholism.
by myexperience April 06, 2011
 
10.
When you fuck with someone's shit to the point that you deserve to die.
Connie Marble, you stand convicted of assholism. The proper punishment will now take place.
by Surfin Bird December 10, 2007