χιλιόπαλαι
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
English (LSJ)
Adv.
A long long ago, Com. word, Ar.Eq.1155.
German (Pape)
[Seite 1356] adv., vor sehr langer Zeit, zur komischen Steigerung gebildet von Ar. Equ. 1151.