The one I've been hearing lately is when the batter hits a quick chip shot 50 feet into the outfield, "that's not a legal swing, blue! His wrists are supposed to break when he swings! It's in the book!"
First time I heard that, I seriously thought the player was smoking crack. WTF is he even babbling about? And then I heard it again on another field, different team, a couple of weeks later. "He's gotta break his wrists when he swings, blue! It's in the book!"
I'm wondering, "where are they GETTING this stuff? It HAS to come from somewhere..."
Finally, on another forum, I found the source.
ASA RS #10 - Check Swing / Bunt Strike.
I set them straight.