for a lady to groan as if in pain when they have sex (usually in pleasure)or when she does it makes the male very horny so horny that he goes even harder and faster and she groans even more!

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.