A man who can't help to miss the whole clit/vaginal hole while licking a females vagina during oral sex. He likes to take it to the next level and lick her gooch.
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.