noun, noun which may take the genitive case particle 'no'
upstart; nouveau riche; new money
Derogatory term for someone who has recently become wealthy, often implying lack of refinement or old-money status.
彼は成金のように振る舞う。
He behaves like a nouveau riche.
成金趣味の家だね。
That house has nouveau riche taste, doesn't it?
noun
piece promoted to gold general
Original shogi meaning; a piece that has been promoted to a gold general.
歩が成金になった。
The pawn promoted to a gold general.