P is for

Punchline

Punchline or (punch line) is an interesting word (or two). A long delayed punchline is characteristic of the shaggy dog story. More on the word’s meaning, and etymology, can be found here. Sometimes you’ve got to love Wiki technology.

Peaking 

was (and apparently still is) the term for the most intense part of an “acid trip” usually occurring 3-4 hours after the onset of the drug. https://tripsafe.org/how-long-does-it-take-for-acid-to-kick-in/

All this talk of drugs compels me to add that I started using them when I was during my early teens and stopped taking all drugs except the social use of alcohol by the time I was 17. There were a few exceptions, including but not only, the occasional use of cannabis. However all that ended around the time I encountered Silo’s