gibber

1. V-I If you say that someone is gibbering, you mean that they are talking very fast and in a confused manner. 急促不清楚地說話[非正式]

Everyone is gibbering insanely, nerves frayed, as showtime approaches. 演出臨近，人人瘋狂地嘰嘰喳喳，神經(jīng)緊張。

I was a gibbering wreck by this stage. 到這個時候我連話都說不清了。