skinflint

(From thieves' slang:) one who would skin a flint for the sake of gain or economy. (Source: Webster's New World Dictionary of the American Language: College Edition, Cleveland and New York, The World Publishing Company, 1962, p. 1367.)

skinflint (plural skinflints)

1. One who is excessively stingy or cautious with money; a tightwad; a miser.
   • 1842, Gogol, Dead Souls, chapter 4

     You know, he is quite a different sort from the Public Prosecutor and our other provincial skinflints--fellows who shiver in their shoes before they will spend a single kopeck.

• See also Thesaurus:miser