The act of motorboating the vagina of a dog, often of which has been restrained by materials such as rope or tape, until it becomes unpleasant to the receiver, eliciting a growl. May simply refer to mouth-to-vaginal-opening stimulation to a dog. Onomatopoeia-qualities: Mor-gra, simulating a growl.

Both noun and verb.

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.