Someone who looks a mess all the time and smells bad but continues to show up at your house or where ever you are.
Code word for uninvited guest or people that you don't particularly like.
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.