The made up vocabulary used by the famous Bill Nye the Science Guy. It is a play on the word ebonics which is consequently a play on the word phonics. Two words, typically of scientific significance, are made into one for comedic purposes.
"... finding microbes on Mars. Call them Marscrobes. That's Nyebonics for you guys."
-- Bill Nye speaking at the University of Florida
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.