πλημμελεῖν
From LSJ
ὦ πολλῶν ἤδη λοπάδων τοὺς ἄμβωνας περιλείξας → you who have licked the labia of many vaginas (Eupolis fr. 52)
Greek > English (Woodhouse Verbs Reversed)
(see also πλημμελέω): misbehave, sin, be at fault, cause offence, do wrong, misconduct oneself, strike a jarring note