Yack used in a sentence

Yack in a sentence as a noun

What's the sweet spot, and when do you start yack shaving?

How?I have received some very interesting files that made Python yack unicode errors, again and again.

Yack in a sentence as a verb

If we're going to yackety yack about spell checkers, After the Deadline is really accurate because it looks at context and uses trained neural networks to sort recommendations.