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.

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.

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.