τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
P. and V. κακός, πονηρός, μοχθηρός, ἄδικος, κακοῦργος, πανοῦργος.
