A more advanced game of soggy biscuit. The biscuit is first shat upon, usually by a random member of the group, then the participants can begin as normal.
Rick: "Man, I got stuck with the Chili-biscuit last night!"
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.