Underhill moment

An explosive moment of courage and glory that single-handedly saves the day usually having a strong chance of injury and/or a huge downside for the person completing the act.

Dom: Did you see the game on Saturday?
Lachlan: Yeah, that tackle saved the game for England.
Dom: I know right he just threw himself and put his body on the line for his country.
Lachlan: A true Underhill moment