godan verb (-mu), intransitive verb
storm in shouting; barge in yelling
Describes entering a place angrily while shouting or raising one's voice, typically to complain or confront someone.
客が店に怒鳴り込んできた。
A customer stormed into the shop shouting.
彼は上司の部屋に怒鳴り込んだ。
He barged into his boss's office yelling.