When you are in the mood to wack off, and are also about to take a shower. You lay/sit down, beat the meat as fast as possible and let the jizz spray all over your body and then hop into the shower. Easy clean up.

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.