godan verb (-su)
start shouting; burst out yelling
Describes the sudden onset of loud, angry shouting. Often used when someone loses their temper and begins to yell.
彼は突然怒鳴り出した。
He suddenly started shouting.
会議中に部長が怒鳴り出して、みんな驚
The department manager burst out yelling during the meeting, and everyone was shocked.