Whiz
Definition 1 of 2

Contextual Usage
Use 'whiz' to describe someone's expertise in an informal way

A kid can be a whiz in science competitions.
Positive Connotation
Using 'whiz' often has a positive tone, portraying admiration

He's a whiz at programming, making apps in no time.
Avoid Overuse
While 'whiz' is friendly, overuse can sound inauthentic

Instead of calling him a whiz all the time, mention specific skills.
Compare with
geniusprodigyexpertacebuff
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