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.
A cautious gambler.
A person regarded as petty or stingy.
(Australia, New Zealand, slang) One who refuses to go out with friends, or leaves a party early.
Mate, don't be a piker! Come to Angie"²s birthday party tonight!
Origin of piker
- Possibly from Piker a poor migrant to California after Pike County in eastern Missouri
From American Heritage Dictionary of the English Language, 5th Edition
- From pike +"Ž -er.