tinker's damn: Meaning and Definition of

tin'ker's damn'

Pronunciation: [key]
  1. the least value or merit; nothing or anything at all: It's not worth a tinker's damn.
  2. to have or feel little or no concern; be unaffected or unmoved: I don't care a tinker's damn for their opinions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.