blabbermouth
blab-ber-mouth
noun
A person who talks excessively, often revealing secrets or private information carelessly.
"Don't tell him; he's a total blabbermouth."
Thesaurus
Synonyms: tattler, taleteller, talebearer, tattletale, telltale
blab-ber-mouth
A person who talks excessively, often revealing secrets or private information carelessly.
"Don't tell him; he's a total blabbermouth."
Synonyms: tattler, taleteller, talebearer, tattletale, telltale