Definitions for cracker jack
Random House Webster's College Dictionary
a confection of caramel-coated popcorn.
a person or thing that shows marked ability or excellence.
Origin of crackerjack:
1890–95, Amer.; earlier crackajack, rhyming compound based on crack (adj.)
One kernel of the Cracker Jack snack.
A quantity of the snack. Usually Cracker Jacks.
A boxed snack consisting of caramel-coated popcorn and peanuts, well known for including surprise toys of nominal value.
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