Jump off the deep end
Translation of "jump off the deep end" into Russian
jump off the deep end
вляпаться в неприятности
He really jumped off the deep end when he decided to quit his job without a plan.
Он действительно вляпался в неприятности, когда решил уволиться с работы без плана.
Definitions
To suddenly start doing something very different, difficult, or risky without much preparation or thought; to act impulsively or become emotionally overwhelmed.