τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
adj.
Ar. and P. ἀλαζών, P. κομπώδης (Thuc.), V. ὑπέρφρων, ὑψήγορος, στόμαργος, γαῦρος; see boastful.
(Of words), etc.: P. and V. ὑψηλός, P. ὑπέρκοπος.