I'd been wondering if I was ever going to see a style-guide appropriate spelling for this word.
http://www.sportsnetwork.com/merge/tsnform.aspx?c=sportsnetwork&page=mlb/news/newstest.aspx?id=4151173 Now, I can use "schneid" in my blog posts with impunity. I've been wanting to use it in writing ever since I started hearing Chris Berman toss it around every week on "NFL Countdown", circa 1998 or so.
More on the etymology here:
http://www.word-detective.com/122099.html#schneid