dirt money—money paid to workman handling dirty materials or working in dirty conditions:
- Wharfies get dirt money for working on filthy, dusty merchant ships.
dirty money—
1. = dirt money:
- When any class of work involves special unpleasantness, “black money” or “dirty money” is sometimes stipulated for.
2. money earned by dishonorable or corrupt means:
- They want you to “launder” this dirty money so that you are the one who will be tracked down by the authorities.