noun. Rapid and excited speech that is difficult to understand. 'enough jibber-jabber from me; let's get on with the story!

Is jibber-jabber a real word?

Gibberish, also called jibber-jabber or gobbledygook, is speech that is (or appears to be) nonsense. It may include speech sounds that are not actual words, or language games and specialized jargon that seems nonsensical to outsiders. ... The related word jibber-jabber refers to rapid talk that is difficult to understand.

Where does phrase jibber-jabber come from?

Jibber-jabber appeared in Abel Boyer's 1751 English/French Dictionary - defined as 'to speak gibberish'.