crackerjack

crack·er·jack  (krkr-jk) also crack·a·jack (krk-)

adj. Slang

Of excellent quality or ability; fine.

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[Probably from crack, first-rate + jack.]

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cracker·jack n.

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crackerjack [ˈkrækəˌdʒæk] Informal

adj

excellent

n

a person or thing of exceptional quality or ability

[changed from crack (first-class) + jack¹ (man)]

Thesaurus

Noun	1.	crackerjack - someone excellent of their kind; "he's a jimdandy of a soldier" jimdandy, jimhickey nonesuch, nonpareil, nonsuch, apotheosis, ideal, paragon, saint - model of excellence or perfection of a kind; one having no equal
	2.	crackerjack - something excellent of its kind; "the bike was a jimdandy" jimdandy, jimhickey thing - an entity that is not named specifically; "I couldn't tell what the thing was"

Translations

crackerjack [ˈkrækədʒæk]

A. N (= person) → as m; (= thing) → bomba f

B. ADJ → bomba, súper

crackerjack, (US) crackajack

n (= person) → Kanone f (inf); (= thing) → Knüller m (inf)

adj → bombig (inf)