Similiar to blue balls and also known as vasocongestion.
The discomfort in females when aroused but not able to orgasm which is due to the buildup of blood, ejaculatory fluids and pressure in the vulva and pelvic region.
Easily "cured" with masturation or lessened with time.

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.