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2.
A redneck word for the most only. Or to emphasize only.
We were the onliest people to park our trucks today.
by FrankieNester November 14, 2008
 
1.
intensive form of "only". used to indicate that someone or something that is truly the "only", or "only" in a special way.
Jesus is the onliest one who can save you.
by erielhonan December 13, 2008