In our department at work (the crazy editors), we play a little game on Fridays: an illustrious colleague, Liesel, sends us an expression, with the challenge of telling the "story" behind it.
Here is my story behind the expression "scot free":
I think we must let our imagination run wild ...
I reckon this expression can be traced back to someone who was hopelessly addicted to whiskey. In his drunken stupor he had a Damascus experience, was powerfully convicted of the error of his ways, and decided to lay off the booze. After a period of sobriety, he declared euphorically, tears streaming down his drink-ravaged visage: “I am Scot(ch) free!”
(Incidentally, his wife and children preferred him Scot(ch) bound. The friendly, bumbling generous drunk of days gone by was far preferable to the zealous, judgmental, loud-mouthed, wild-eyed Scot(ch) free phenomenon they now had to put up with … But that’s just an aside …)