やたらだ
JAM
to excess / immoderately / unreasonably / excessively / at random / too much / rash / extremely / reckless / have a wild urge to do / indiscriminately / do *something blindly / thoughtlessly / indiscreet / foolishly / unreasonable / thoughtless / indiscriminate / rashly / recklessly / immoderate / very much / lavishly / haphazardly / unnecessarily / for no reason at all / excessive / [spend money] like water / unnecessary