The word is found in chapter 12, on Page. 107
I agree with your answers. It’s the contrast of darkness and light that exposes the woman’s pure fear against the dark background
"Well see if you take a setgrenal over here, you'll see a flipperdonder. Take one more step to the right and see a whalyoa," said the Updondesie.
"Toodlroo is my favorite treat," exclaimed Bingus.
The Updondesie setgrenal at Bingus with a blank expression. "Well, Bingus Gillie, you might want to quex on out of here before you fall into some Toodlroo," quipped the Updondesie and he nudged Bingus over the edge into a never ending river of Toodlroo. He state and he completely ignore the scream kid, "Shall we move on with the bizogig?"