What does moocheling and footcheling mean from the bfg?

In Roald Dahl's book "The BFG," moocheling and footcheling are Words used by the Big Friendly Giant to describe the process of capturing dreams. Moocheling refers to the act of catching dreams, while footcheling is the process of blowing dreams into the bedrooms of sleeping children. These whimsical terms add to the fantastical and imaginative world created by Dahl in the story.