a retard who literally doesn't give a shit about anything. Nil is a basketball playing rapper who identifies as a tree. Nil will always be on discord with the boys probably talking about random shit and playing minecraft
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.