flubdub
/ˈflʌbdʌb/Definitions
1. noun
a nonsensical or meaningless phrase, often used to describe something that is confusing or hard to understand.
“The professor’s explanation was just a bunch of flubdub, and I didn’t understand what he was trying to say.”
2. verb
to speak or say something in a confusing or nonsensical way.
“She flubdubbed through the presentation, leaving everyone in the room confused.”