Travelling long distances for the sole purpose of seeking and exploiting easy sex, usually to destinations like Bangkok, Thailand or Portland, Oregon where the locals are more attractive and easier to fuck than wherever you came from.

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.