Definitions by Robert J. Lanier from Susan at Trader Joes, both from Montana

prune picker 

A Montana slang term for someone from California. Used in a derogatory sense. Many people from California do not know that Prunes are dried plums. You pick a plum.

We saw him in the bar with his new Stetson. We knew he was a Prune Picker because we saw him get out of the Lear at the Bozeman airport.

prune picker by Robert J. Lanier from Susan at Trader Joes, both from Montana March 16, 2007