1. The aftermath of being struck across the face by a penis.
2. The horror you feel when you see that one dude's penis is bigger than yours.
3. The act of (usually a woman, but can differ depending on one's lifestyle {see fag})being surprised by your soul-mate's over-erect, large, sweaty penis.

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.