What's brown and sounds like a bell?

Why this works

This riddle plays on a clever use of sound and meaning. The word "dung" is a slang term for animal feces, which is brown in color. The trick lies in the way "dung" phonetically resembles the word "ding," as in the sound a bell makes. So, when you hear "sounds like a bell," it cleverly leads you to think of the sound rather than the literal meaning, resulting in a humorous and unexpected answer!