Definitions by The Gallant Bard

Sheening 

To make random, arrogant and absurd statements regarding ones own importance as does Charlie Sheen.

Q: Did you hear that guy going on about how great he is?
A: Yeah... it's so hysterical whenever someone starts Sheening in public. I'm almost embarassed for them.

Sheening by The Gallant Bard May 13, 2011