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(1) A jabberjaw is someone who never shuts up.

(2) A person who talks too much, to the point of ad nauseum.

(3) It is also a 30 minute cartoon created in the 1970s by Hanna Barbera. It used to be part of the Saturday morning cartoons. It was created with a format and writing that was similar to that of Scooby-Doo and Josie and the Pussycats.
(1) "You are such a jabberjaw; i can hardly get a word in edgewise."

(2) "Hey jabberjaw. Shut up! I'm trying to tell you something."

(3) "Do you remember that cartoon Jabberjaw? It's being replayed on the Cartoon Network now."
by bijoupali April 13, 2011
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A name given to a person that talks too much about nothing.
And you know he said it was something like I mean what he was saying was well I think he meant to say...
by Rex A. Jones April 26, 2005
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someone who breaks their jaw on a penis during oral sex
Cindy got a jabberjaw after trying to take on a chode
by Vagina diver eric February 17, 2005
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