Occurs when one's ass has the scent as pungent and diabolical as a Barn full of rotten shit. This is also known as stage 4 swamp ass. You can obtain this by neglecting your general hygiene for several days.
A person who acts like a tough guy, but can't back it up. The term derives from the character of Barney Fife, the Deputy Sheriff of Mayberry on the Andy Griffith Show who often acted tough when he was obviously not tough at all.