"Hey! I didn't thay we don't have young, jutht that they don't take the form of human babieth! We hatch out of eggth ath wigglerth, eat and thurvive the trialth of the brooding cavernth, pupate, and emerge ath young trollth."

All the while he gesticulated wildly, frustrated that this human freaked out about the simplest things and also put words in his mouth.