a penurious person; a covetous, miserable wretch ...1893 Eng. dial.
? from association of being pinched
FIRST DOCUMENTED USE
1893 - See Example below
"She's a reg'lar Nanny pinch-pot, that'n, noo"
From: A Glossary of Words Used in the County of Northumberland
and on The Tyneside
By: Oliver Heslop, 1893
• The English Dialect Dictionary, Joseph Wright, 1898-1905
• A Glossary of Words Used in the County of Northumberland and on The Tyneside, Oliver Heslop, 1893