ハゲタカが突っつく死んだ鹿とか、他の動物の食べ残しとか、 そういう腐った肉を死肉と書きました。 A dead deer being pecked by vultures, remains partly eaten by other animals, that sort of rotten meat is called 'carrion'.
Never mind that. After all up till now he's stuffed himself on huge profit selling high brand-name goods of no real worth. From now on he can just try his best at honest trade.