Funnily enough, as of this writing, the top ranked google result (at least for me) is this post.
I'm so meta even this acronym
While Redditisms leaking into HN comments are usually downvoted, I actually got this for the first time just now. Probably because while on HN I wear my thinking cap, and on Reddit I read mainly for amusement and don't spend the time to look as closely. So a qualified thank you, that was clever.