A call for a type of character. Who has a centre childish-adult personality. A partner of which the small-circles. Their energy like parents with their first child, full of excitement and positivity. And maybe they're both obsessed with each other, or a best friend.
"Her booniesness can't make him look away, They're welded together"
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.