Mumbo jumbo (phrase)

"Mumbo Jumbo" is a phrase that people use when they hear something they don't understand or when something seems too complicated or confusing. It means that someone is talking in a way that is difficult to understand or using fancy words that don't make sense. It's like when you hear a grown-up talking about complicated things and you don't understand what they mean, so you just say "mumbo jumbo" to show that you're confused.