“Yak shaving is the technical term for when you find yourself eight levels deep - and possibly in an recursive loop - in a stack of jobs.” The example they give is:
You start out deciding to tidy your room and you realize that in order to do that you’ll need some more trash bags, so you need to go to the shops, which will involve you getting out the car, but the car needs gas, so you’ll need to go to the gas station first, which means you should probably find your gas discount card, which involves finding your keys, which are in the room somewhere…