(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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the act of smacking a person (male or female) in the face with your erect chode, shattering his or her jawbone.
i jabberjawed the shit out of justin after the game. he cried like a bitch.
by Keith Carpio November 11, 2006
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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 18, 2005
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An individual at any social gathering who, typically due to being under the influence of a controlled stimulant (ie: cocaine, amphetamine, adderall, etc.), absolutely refuses to stop talking, interrupting others, or any other general form of jabbering.
"Oh no, everyone duck, I'm pretty sure that fucking Jabberjaw is zeroing in on us."

(Especially at the local bar.)
by Retired 1800 Enthusiast January 3, 2017
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