ἀγριοπετεινάλιον
From LSJ
τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
Greek (Liddell-Scott)
ἀγριοπετεινάλιον: καὶ ἀγριοπέτεινον, τό, ὁ ἔποψ, Δουκάγγιος καὶ Γλωσσ.