κλαγγάνειν

From LSJ

ἀεί ποτ' εὖ μὲν ἀσκός εὖ δὲ θύλακος ἅνθρωπός ἐστι → this guy's always good at being a wineskin, and at times a winesack

Source

Greek > English (Woodhouse Verbs Reversed)

(see also κλαγγάνω): warble, sing