Also found in: Thesaurus.
the least bit; hoot; damn: not worth a tinker's damn.
[1830–40; from tinkers' alleged habit of cursing frequently (hence weakening the force of a curse)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.