Definitions for gabbler
Random House Webster's College Dictionary
gab•bleˈgæb əl(v.; n.)-bled, -bling
(v.i.)to speak or converse rapidly and unintelligibly; jabber.
(of hens, geese, etc.) to cackle.
(v.t.)to utter rapidly and unintelligibly.
(n.)rapid, unintelligible talk.
any quick succession of meaningless sounds.
Origin of gabble:
1570–80; perh. < MD gabbelen, or expressive formation in E; see gab
One who gabbles, or prates loquaciously on a trifling subject.