A fork of Rural Dictionary
Acronym for Not In My Bank Account, a variation of the word NIMBY, but applied to people, particularly voters watching a political process, who figure a political plan will ultimately drain their wallets. Often applied to and by people who are solvent and otherwise responsible for their own finances and clearly wouldn't benefit from, say, a government bailout of a particular economic sub-group.
"I'm a NIMBA voter, and I can already tell that $700 billion bailout plain is gonna give it to me in the shorts.