While I love your theory, it doesn't sound like it would be one shared with Crowley, who I now know adopted this from an earlier story. I hope to read the series in future, and perhaps in that one it will mean yours, and we will find that it was simply Crowley who perverted it. But, based on what I read about the novel series on wikipedia, it sounds unlikely at this point.

The word was more popular in his day and seems to be gaining traction again. Probably because of everyone talking about this phrase though. Lol.