Great and funny list. However, it starts right off the bat with an incorrect rumor:
https://en.wikipedia.org/wiki/Rule_of_thumb
It makes me question the rest of them, but I’ve not the time. I’m confident some are accurate, though.
For example: the explanation for the phrase “wet your whistle” that I heard was it’s a Royal Navy thing. You offered a mate a sip of your grog to “wet their whistle.”
Origin of word “golf” also incorrect.