gibbering is a type of speech that is characterized by incoherent or meaningless words. It's usually used when someone is extremely upset or scared.
He was gibbering and shaking uncontrollably.
The victim was gibbering and incoherent after the attack.
verb
To jabber, talk rapidly and unintelligibly or incoherently.
noun
Manic, meaningless speech; babble.
adjective
Prone to meaningless vocalization, especially excited and confused utterances, like a beast or monster.
1
Jackson could only gibber.
2
He continues to gibber about a duck.
3
I didn't mean to make you gibber.
4
I don't mean to make you gibber.
5
There are too much technical gibbering and not enough thought.
6
Stop gibbering repeatedly, provide reliable sources yourself, and desist.
7
Don't add monkey gibber and think before you type.
8
My sanity may be in question already, but at least I don't gibber.
9
Having so many eyes, gibbering mouthers are difficult to sneak up on.
10
I was made to seem like a gibbering lunatic for about 8 months afterwards.