What Is "Clickbait"?

Walk me through it. I'm a fish, I see shiny object, I go for it... Fishhook/Shutterstock
I don’t understand what "clickbait" is. I thought I understood but now everyone's using the word in so many different ways I don't understand anymore. I thought clickbait was "9 Foods that Looks Like Dark Vader—NUMBER 4 WILL BLOW YOUR MIND!" And then you click and nothing looks like Darth Vader. Click bait is “under-delivering on a misleading headline,” as Vox descri