Vocabulary
身から出た錆
みからでたさび
paying for one's mistakes; getting one's just deserts; suffering the consequences (of one's own actions); reaping what you sow; making a rod for one's own back
expression
Example sentences
君（きみ）の身から出た錆（みからでたさび）だ。
You have no one but yourself to blame.
文句（もんく）を言（い）うなよ。身から出た錆（みからでたさび）だぞ。
Don't complain about that. You've asked for it.