Performing exceptionally well or experiencing a period of great success and momentum. Used to describe someone who is achieving remarkable results consistently.
This metaphorical use dates back to the early 1900s, drawing from the intense, consuming, and powerful nature of actual fire. The phrase gained popularity in sports commentary and has since expanded to describe any area of exceptional performance.
The fire metaphor is perfect because fire spreads rapidly and is hard to contain - just like a streak of good performance tends to build momentum and become self-reinforcing. Interestingly, many cultures use fire metaphors for excellence, suggesting something universal about this association.
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