do with a vengeance

with a vengeance

Determinedly or passionately, perhaps fueled by anger. After my girlfriend dumped me, I started working out with a vengeance. We're going to have to clean with a vengeance to get the house ready in time.
See also: vengeance

do something with a vengeance

Fig. to do something with vigor; to do something energetically as if one were angry. Bob is building that fence with a vengeance. Mary is really weeding her garden with a vengeance.
See also: vengeance