onHover has always been a psuedoschizo decision. There are places where nothing is more useful, but misuse it and it aggravates the hell out of everyone, not unlike browser frames/iframes/etc 20 years ago.
You don't need to freak out every time someone invents a new word construction. I understood the comment perfectly the first time, which brings us to 2/3 other commenters having grocked it immediately.
Wait, grocked is a made up word too. Pretend I said understand.