Originating from 'cooze' aka: slang for pussy or vagina, the 'cooze hound' is one whom is always searching to fill their desire for fresh pink wet cooze. A cooze hound can never get enough pussy.
"That doggone Bush is nothin' but an egg-suckin' coonhound. When I's was livin' in Louisiana those hounds would snicker on up into the chicken coops and suck the babies right outa those eggs. Just Like That Damned George Dubya Bush."