Derived from the words jack ass and mad-hatter. An ass hat is someone who makes a fool of themselves in such a strange and illogical manner that no other word can define them.
"You were arrested on national television for stink palming the President of the United States at a presidential debate? You frigging ass hat!"
by Ethos June 18, 2004

"I got herpes on my forehead!"
"How did that happen??"
"I did the Hat Trick with some girl last night."
"Man, that sucks!
"How did that happen??"
"I did the Hat Trick with some girl last night."
"Man, that sucks!
by Buh2557 May 25, 2010

by Paku123 September 6, 2006

A term to be used in lieu of asshole, dickwad, etcetera. Generally used in regards to a friend of yours, but it can also be aplied to stangers when extreem ass-hattery is being carried out.
by Imragweed December 24, 2008

Created by P. James Murray in 2002 out of Cincinnati, Ohio. Simply put, it is someone who has their head up their ass.
by ChelsBels88 August 10, 2008

by davidtennantmegatron September 28, 2011
