κυσολέσχης
From LSJ
ἀλλ' εἰ μὲν ἁγνόν ἐστί σοι Πειθοῦς σέβας, γλώσσης ἐμῆς μείλιγμα καὶ θελκτήριον → but if you have holy reverence for Persuasion, the sweetness and charm of my tongue
English (LSJ)
ου, ὁ,
A obscene talker, Com.Adesp.1066.
German (Pape)
[Seite 1538] ὁ, Zotenreißer, der von obscönen Dingen spricht, Eust. 746, 17.
Greek (Liddell-Scott)
κυσολέσχης: -ου, ὁ, ἄνθρωπος αἰσχρορρήμων, αἰσχρολόγος, Εὐστ. 746. 14.