Definitions by Denbe

occa 

1. A thing or person characterised by their (usu. extreme) Australian-ness. Esp. refers to persons with heavy Australian accents and mannerisms. Typically used as an insult. See also bogan.

"He's from Central Queensland and he's really occa."
"Steve Irwin is way too occa to be real."

occa by Denbe February 21, 2005