Definitions by Shy-town

Sheening 

1. The act of going on an epic bender or otherwise acting in a manner destructive to others and/or yourself.

2. Behaving in any manner while being Charlie Sheen.

Friend 1: "Dude, I woke up on my couch at 9am in a full suit."
Friend 2: "Yeah, you were really sheening last night."
Friend 1: "At least I was ready for work."

Sheening by Shy-town March 13, 2011