Source : WordNet®

bunce
     n : a sudden happening that brings good fortune (as a sudden
         opportunity to make money); "the demand for testing has
         created a boom for those unregulated laboratories where
         boxes of specimen jars are processed lik an assembly
         line" [syn: {boom}, {bonanza}, {gold rush}, {gravy}, {godsend},
          {manna from heaven}, {windfall}]