The kid knows what a wood chuck would if a wood chuck could chuck wood.
Then again:
“I am a fig plucker, I pluck figs, I’m the best fig plucker that ever plucked figs....”
A Fig Plucker? lol. Talk about an ‘accidental slip o the tongue’ waiting to happen. And it WILL happen! I can’t even think of the phrase without reversing the letters in my head.