overzealous russian
дорва́вшийся
having gained access, having seized (an opportunity/power), having broken through, newly empowered (often with a connotation of overzealousness or lack of restraint)
перестара́вшийся
overzealous, having overdone it, overexerted
переусе́рдствовавший
overzealous, overdone, having overexerted oneself, who overdid it


















