ἐπιβύειν στόμα

From LSJ

ὦ πολλῶν ἤδη λοπάδων τοὺς ἄμβωνας περιλείξας → you who have licked the labia of many vaginas (Eupolis fr. 52)

Source

Greek > English (Woodhouse)

close one's mouth, stop mouth, tie tongue