crackerjack(redirected from a cracker-jack)
1. noun Someone who is regarded as outstanding or superb. Based on his stellar resume, this guy seems like he'd be a crackerjack of an employee.
2. adjective Outstanding or superb That's a crackerjack idea—I think we should implement it right away.
mod. excellent; industrious. Fred is a crackerjack stockbroker, but his personal life is a mess.