Green Eggs and Bottom

What uproarious passage in Little House in the Big Woods causes this?





And this?











What sentence does Piper read over and over so that she and Luci...





can do MORE of this?!





I'll tell you.
Source: page 14
"When it was cool they took it down and cut it up.  There were HAMS and shoulders, side meat and spare-ribs and belly. There was the heart and the liver and the tongue, ...."

After reading it aloud, Piper asked me what spare-ribs were.  I told her, and then gave her an unasked lesson on where the other portions of meat were located, making the mistake of telling her that the HAM was found on the pig's...ulp...bottom.

BOTTOM!  HAM!  BOTTOM!    HAHAHAHAHAHAHHHHAAAAAA!!!!!!


Teaching further and showing them a picture on the internet didn't help a bit...