Oh well, that put the kaibosh (query spelling?) on that one:
[...]
I believe it's "kibosh", CD.
Thank you. Honestly has no idea. Funny word. Where on earth does it come from ? (Could go and google it, I suppose, but could have done that for the spelling too and it didn't happen )
It is, isn't it? I'm rather fond of it, possibly for that very reason. Our office OED says its origins are unknown, but this fascinating article at least has a crack at tracing them.