Meanings
A specialization of a sense of potato meaning a thing of little value, and a comment on the low value of a small potato in particular, appearing in its modern form in North America in the mid-19th century (see 1855 quotation).
How to pronounce "small potatoes":
AU
One or more persons or things of relatively little consequence, importance, or value.
Example: "My paycheck is small potatoes compared to hers."
Example: "He no longer works for individuals, since they are small potatoes compared to his corporate clients."