- Coins of little value kept in one's pocket or bag.
- (idiomatic) A minor or insignificant amount of money.
- The cost of toothpaste is small change compared to the cost of dental work.
- (idiomatic, by extension) A person or thing of little importance or value.
This idiom can also used in the negative to indicate a great deal of money:
- The car he wants costs $38,000, and that's no small change.
- (coins of little value): loose change, spare change, shrapnel (slang)
- (minor or insignificant amount of money): chump change
- (person or thing of little importance or value): small potatoes
a minor or insignificant amount of money