" Where there's muck there's brass "
Dirt and muddle are evidence of products being manufactured and money (brass) being made.
Stuff was coming in and out of the factory yard every five minutes and debris was piled everywhere. Business was brisk though - where there's muck there's brass you know.
Where did it originate?:
Where is it used?:
England, most commonly in the north of England.
Hear the idiom spoken: