What is a flubbernugget?

A flubbernugget is a fictional creature from the children's book series "The Book of Monsters" by author and illustrator, J.M. Barrie. It is often depicted as a whimsical, silly creature that embodies the spirit of fun and imagination. The term has since been embraced in popular culture to refer to something goofy or absurd. The playful nature of flubbernuggets makes them a favorite among children and those who enjoy lighthearted fantasy.