jabberer

jab·ber

 (jăb′ər)

v. jab·bered, jab·ber·ing, jab·bers

v.intr.

To talk rapidly or unintelligibly.

v.tr.

To utter rapidly or unintelligibly.

n.

Rapid or babbling talk.

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[Middle English javeren, of imitative origin.]

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jab′ber·er n.

Thesaurus

Noun

1.

jabberer - someone whose talk is trivial drivel driveller speaker, talker, verbaliser, verbalizer, utterer - someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims"