Dictionary
blab•ber•mouth
Pronunciation: (blab'ur-mouth"), [key]—
n.,
—pl. -mouthsPronunciation: (-mou&thslash;z", -mouths"). [key]
a person who talks too much, esp. indiscreetly.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.