1. (n) A burrowing nocturnal carnivorous marsupial (Sarcophilus harrisii) of Tasmania, having a predominantly blackish coat and a long, almost hairless tail. So named for its distinctive red eyes, ferocious temperament, and distinctive growl that sounds like a demon possessed.

2. (name) A Looney Tunes cartoon character, an oafish slobbering gibbering beast able to devour everything in its path, travels like a whirling dervish, and is often seen pulling a temper tantrum at Bugs Bunny.

When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.

When your girl gets kinky and starts spinning on your dick meanwhile making the Looney toons Tasmanian Devil voice.

When a guy is on his back, and you're going down on him, he's about to cum so you bite the shit out of his balls and he shrieks and cries like a baby.