Keep your mouth shut and you'll never get caught.
You know they're doing it, you just can't catch them at it.
With clickbait, of course!
They'll B flat
IT JUST DOES, OK JERK !!!! NOW SHUT UP OR I WILL STAB YOU WITH THE SCISSORS!
Their mouth is moving.
Brushing your teeth
A neurosturgeon
They just keep getting hooked.