noun
stubborn old man; pig-headed father
Colloquial, often derogatory term for an obstinate older man, especially one's own father. Carries a nuance of frustration mixed with grudging familiarity.
うちの頑固親父は、一度言い出したら絶対に引かない。
My stubborn old man never backs down once he's said something.
あの頑
There's no way to persuade that pig-headed old guy.