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11.
A Jibber Jabber is someone who talks, but makes absolutely no sense. They never seem to realise that no one knows what they are saying, so carry on regardless. You can usually spot a Jibber Jabber by the person they are talking to. They generally look extremely confused and their eyebrows are pushed deep over their eyes in a bid to take some sort of information from the interaction.
Jibber Jabber: Jibber jabber jibber jabber square jibber jabber jibber jabber quadratic jibber jabber jibber jabber year 10.

Confused party: Err, I don't know, Err.

Jibber Jabber: Jibber jabber jibber jabber 7.15 jibber jabber.

Confused party: Mate, I have no clue what you are talking about!
by Mr Bar Stard June 04, 2013
 
1.
useless words, beating around the bush, talkin' out yer ass. annoying banter.
Stop all this jibber jabber about your ex!
by bacca rati May 13, 2002
 
2.
A word made up by Mr. T.
Talking or speaking nonsense.
Shut up all the jibber-jabber, fool.
by Varnell Norman November 16, 2003
 
3.
1. n. Incoherent or unintelligable speech; has it's origins from the word gibberish
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 like jibber-jabber to me.
by Super Gerbil July 11, 2004
 
4.
What really irritates Mr. T.
Mr. T: Stop with all that jibber jabber and shine my gold chains.
by ILoveThom'sChickenDance May 03, 2004
 
5.
nonsensical talking
"Quit all that jibber jabber back there! I'm trying to be serious here"
by ErinCatherine September 18, 2008
 
6.
jibberjabber means verbal comotion, or talking in a way that annoys anyone present. and can be replied to with the phrase "quit your jibberjabber margo you fool"
"mandy poles arn't they great blah blah blah"
"quit your jibberjabber margo you fool"
by Margo Baggins August 12, 2008
 
7.
talking nonsense,
talkin crap u dont wanna hear,
sumone is driving you mad (kinks) so you tell her to stop with her jibber jabbering
(in stoke accent)
"stop all ur jibber jabbering"
"you got alot of jibber jabber you do"
by Sam--Hanley August 11, 2008