dumpster diving

or Dumpster diving


noun

the practice of foraging in garbage that has been put out on the street in dumpsters, garbage cans, etc., for discarded items that may still be valuable, useful, or fixable.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for dumpster diving

dumpster diving

/ (ˈdʌmpstə) /

noun

US the practice of searching through dustbins for discarded but still usable or valuable objects such as food or clothes
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