noun
office dragon lady; domineering senior female worker
Colloquial and often derogatory term for a senior female employee who bosses around younger colleagues, especially other women. Abbreviation of お局様.
あの部署のお局には誰も逆らえない。
Nobody can stand up to the office dragon lady in that department.
新入社員はお局の機嫌を損
The new employees are careful not to upset the domineering senior woman.