助兵衛根性
Meanings
1
A colloquial, somewhat old-fashioned noun for a lecherous disposition or persistent lewdness. Often used in a critical or humorous tone.
That guy's lecherous nature is completely exposed.
2
Rare extended use: a greedy or self-indulgent mindset, often with a nuance of shameless desire for gain. Less common than the lechery sense.
He's only thinking about making money out of sheer greed.