Butt-cised 

A slang term used to describe a sense of extreme excitement or elation.

Originated in the D.C.-Metro area, specifically from the WJFK radio show "The Junkies".

I am totally butt-cised to go to the concert this weekend!

Butt-cised by Killa KB February 23, 2009

Buttcited 

The face or overexagerated actions of someone who is way too excited about an ass or butt.

Did you see that dudes face? He was so Buttcited.

Buttcited by That Asshole of DOOM February 16, 2013