Jibber jabber is Incoherent and unintelligible rapid speech often in slang or patois. Used in the UK as a disparaging name for other languages such as French, Spanish or American.
“It was all jibberjabber. Couldn’t understand a dam’ word the wretched feller was sayin’, Jeeves.”
“But, Milord, he was an American.”
“Yes?”
1. n. Incoherent or unintelligable speech; has it's origins from the wordgibberish 2. adj. Word used to describe incoherent speech
3. v. To speak inchoherently
Bob: Did you understand what that theory meant?
Dave: No, I dont understand quantum mechanics, so it all sounded likejibber-jabber to me.