Something argued over during a political campaign that in the end comes to nothing because the government is going to get it's money one way or another.
Person1: Hey sweet everyone got a taxbreak.
Person2: Yeah but the we're gonna have to pay the piper (China) eventually.
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.