oo·dles (o?od?lz)pl.n. Informal A great amount or number: oodles of fun.[Origin unknown.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.oodles (?u?d?lz) pl ninformal great quantities: oodles of money. [C20: of uncertain origin]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014oo?dles (?ud lz) n. (sometimes used with a sing. v.) Informal. a large quantity: oodles of money. [1865?70; orig. uncertain] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.Oodles a superabundance of anything; a mass of things; a heap; a great quantity.Examples: oodles of food; of money; of time.Dictionary of Collective Nouns and Group Terms. Copyright 2008 The Gale Group, Inc. All rights reserved.