Definitions by Quack duck

Deavin 

A total and utter balls up, bad situation or mistake.
A person who is a complete fucking muppet, or a retard.

"Oh my god, that club was so deavin, never going there again",
"Have you met that new bloke in building 4, he's such a deavin"

Deavin by Quack duck April 29, 2008