νεανιεύεσθαι
From LSJ
Δίκαιος ἐὰν ᾖς, πανταχοῦ τῷ τρόπῳ χρήσῃ νόμῳ († λαληθήσῃ) → Si iustus es pro lege tibi mores erunt → Bist du gerecht, ist dein Charakter dir Gesetz (wirst du in aller Munde sein)
Greek > English (Woodhouse Verbs Reversed)
(see also νεανιεύομαι): act impulsively, be hasty in temper, be petulant, play pranks, play the gallant, play youthful pranks