I think he's talking about the thing at the bottom where the arrows point to. It seems like a copy of what he is typing in the search bar. I use Firefox and I don't have thisDo you mean the one that shows up when you hover over links and objects that might contain links when you click them (ex. hovering over your user icon in the forums)?
I thought so too but it was just a bugLooks like you have Hover Text enabled in Accessibility.
System Preferences > Accessibility > Zoom > Enable Hover Text