That's a crackerjack.
[Slang] THAT'S A CRACKERJACK. - Discover Expressions for Top-Notch Quality
An excellent person or thing.
That's a crackerjack" refers to someone or something exceptionally good or impressive. Originally derived from the prize found in Cracker Jack snack boxes, this phrase is now used to emphasize excellence and high quality. An employee who exceeds all expectations could be called a crackerjack at their job.
Example Sentences
Nice shot, man! That's a crackerjack!
Nice shot, man! That’s excellent!
You really organized this event well, that's a crackerjack of an effort!
You really organized this event well, that's an impressive effort!
Solving that complex problem was really a crackerjack move; you figured it out so quickly!
Solving that complex problem was a brilliant move; you figured it out quickly!