bunce

from WordNet (r) 3.0 (2006)

bunce
    n 1: 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 like an assembly line"
         [syn: {boom}, {bonanza}, {gold rush}, {gravy}, {godsend},
         {manna from heaven}, {windfall}, {bunce}]

from The Collaborative International Dictionary of English v.0.48

bunce \bunce\ n.
   a sudden unexpected piece of good fortune.

   Syn: windfall, gravy, godsend.
        [WordNet 1.5]