Available Definitions:
1) v. i. - To talk rapidly, indistinctly, or unintelligibly; to utter gibberish or nonsense; to chatter.
2) v. t. - To utter rapidly or indistinctly; to gabble; as, to jabber French.
3) n. - Rapid or incoherent talk, with indistinct utterance; gibberish.
4) n. - One who jabbers.