mum·bo jum·bo 
/ˌmʌmboʊˈʤʌmboʊ/ noun
/ˌmʌmboʊˈʤʌmboʊ/ noun [noncount] informal : confusing or meaningless words or activity : nonsense
▪ We were confused by all the legal mumbo jumbo. ▪ His explanation was just a lot of mumbo jumbo.
▪ We were confused by all the legal mumbo jumbo. ▪ His explanation was just a lot of mumbo jumbo.
