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golden goose

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noun
  1. a legendary goose that laid one golden egg a day and was killed by its impatient owner, who wanted all the gold immediately.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for golden goose

moneymaker, angel, backer, patron, grubstaker, money-spinner, bonanza, vein, Eldorado, Golconda
British Dictionary definitions for golden goose

golden goose

noun
  1. a goose in folklore that laid a golden egg a day until its greedy owner killed it in an attempt to get all the gold at once
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012