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A person who will not shut up and talks all the time. Or a Radio talk show host who talks instead of palying music.
That jabber jockey on the radio is a real motor mouth. He never shuts up.
by sputnik radio May 16, 2008
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Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
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