person 1: i had sex with an omlette in the middle of a mall while making eye contact with a security guard before being escorted out
person 2: you fucking what??? you goin to jail cuhhhhhhhhh
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle bitermay be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.