Answer: crackerjack

AnswerCrossword Clue
CRACKERJACKPerson of marked ability
crackerjacka person or thing that shows marked ability or excellence.
crackerjackExceptionally good
crackerjacka person or thing of marked excellence also CRACKAJACK
CRACKERJACKSnack food
CRACKERJACKJim-dandy
CRACKERJACKJimdandy
CRACKERJACKCrunchy sweet treat
CRACKERJACKExcellent, slangily
CRACKERJACKSpecial person
CRACKERJACKFirst-rate
CRACKERJACKHumdinger
CRACKERJACKFirst-rate: Slang.
CRACKERJACKExcellent: Slang.
CRACKERJACKVery skillful: Colloq.
CRACKERJACKTop-notcher.
CRACKERJACKExcellent
CRACKERJACKTop-notch
CRACKERJACKAce
CRACKERJACKExpert