がんこおやじ
Meanings
Noun
Four character compound
1. stubborn (obstinate) father; pig-headed old man
Composed of
stubborn; obstinate; pigheaded
one's father; one's old man; middle-aged (or older) man; old man; one's boss; proprietor (of a restaurant, store, etc.)
Examples (1 in total)
Your argument is not any more convincing than that of my stubborn father.