noun
domineering husband; husband who rules the roost
Describes a husband who acts like a feudal lord at home, expecting his wife to serve him. Often used critically or humorously.
うちの父は亭主関白で、家事は一切しない。
My father is a domineering husband and does no housework at all.
彼は亭主関白を気取っているが、実は奥さんに頭が上がらない。
He acts like a husband who rules the roost, but actually he can't stand up to his wife.