V; to ejaculate or use your penis in any other way than sexual pleasure.

Also note the spelling change of "scrumtoad" when used in past tense (not participle).

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.