What's does "Smart as Paint" mean?

While reading The Wednesday Surprise we noticed how the author, Eve Bunting, used idioms like "smart as paint" and "shoots a glance." We started looking and listening for other idioms and made a list. Then we had fun illustrating them to show how their meanings are different from what the words actually say. We would like to know the origin of "smart as paint." Can you help us? Here are our idioms:

 

ptaverna@pocanticohills.org

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This page was last edited November 11, 2005.