Scrooge is a cartoon character that's personality is being cold-hearted or a miser. Although if someone doesn't know this they might think differently about what Miranda said.

Question

can you rewrite this like a 12 year old but keep it formal

Answer 1

Scrooge is a character in cartoons who is known for being mean and stingy. If you didn't know this, you might interpret Miranda's comment in a different way.