성토해요 · 성토했어요 · 성토할 거예요 · 성토하세요
to denounce publicly, to condemn (in a group)
Example
주민들은 공청회에서 개발 계획을 성토했어요.
Residents loudly denounced the development plan at the public hearing.
Word parts
성 voice+토 attack
Literally 'attack with voices': a group criticizing something loudly.