Word definitions
chidembo: polecat
Translation
Turning down polecat meat means you have rabbit meat.
Inspiration
Polecats are known for their ability to spray a liquid with a strong unpleasant smell. Polecat meat is considered edible but requires expert handling. This is because the meat can easily get spoiled and become totally inedible, due to the glands which produce the spray.
Application
To turn down an offer implying it is unworthy, one suggests they have better alternatives.