Word Definitions
butu: Husk or bran of bulrush millet or sorghum. Husk of maize grain.
mukonya: Rudeness of someone who relies on a powerful backer.
Translation
One who refuses bran has something better that makes them arrogant.
Application
By refusing to accept or keep something one suggests they have better.
Similar Proverbs
1. Kuramba dzvuku, kuona jena.