Definition of «smashed it»

"Smashed it" is an informal British English expression used to indicate that someone has performed a task perfectly or achieved great success. It conveys a sense of total triumph and is used when the outcome exceeded expectations. The phrase is highly positive and is often shouted as a congratulatory remark after a performance, presentation, or sporting event. It implies that the person didn't just succeed, but did so in a definitive and impressive fashion.