the state of a person or thing or conversation where it is both confusing and complicated, if you take this word and apply it to anything you will find it fits too well a lot.
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.