- The definition of a piker is slang for a very frugal or extremely cautious person.
An example of a piker is a person who will only buy the cheapest of everything.
Origin: orig., probably one from Pike County, Missouri, then applied to Missourians generally: reason for later uses obscureSlang a person who does things in a petty or niggardly way; esp. one who gambles or speculates in an overly cautious way
Used by arrangement with John Wiley & Sons, Inc.
- A cautious gambler.
- A person regarded as petty or stingy.
Origin: Possibly from Piker, a poor migrant to California, after Pike County in eastern Missouri.