εὖ πράττειν
From LSJ
ὦ πολλῶν ἤδη λοπάδων τοὺς ἄμβωνας περιλείξας → you who have licked the labia of many vaginas (Eupolis fr. 52)
Greek > English (Woodhouse)
be fortunate, fare well, fine conduct, flourishing, being prosperous, doing well, happiness, success