0 a hole in the ground dug by a rabbit:
He broke his ankle when his foot got caught in a rabbit hole.
Their advice is not meant to send you down a rabbit hole, and involve you in chaos and disorder.
Let's avoid that particular rabbit hole and consider a broader and more unsettling point.
I know when I read a WWI novel I inevitably end up down a rabbit hole researching the war.
You can kind of find yourself getting sucked into various attention rabbit holes.
