ἀθυρογλωττία
From LSJ
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
English (LSJ)
ἡ,
A impudent loquacity, Plb.8.10.1.
Greek (Liddell-Scott)
ἀθυρογλωττία: ἡ, ἀναιδὴς φλυαρία, Πολύβ. 8. 12. 1.