To lose your place as the best at a given subject, taken from The Elder Scrolls V: Skyrim quote:
"I used to be one of the best soldiers in the stormcloak army, then I took a sword through the chest."
Can be used in any situation where you have come off second best.
I used to be the best player on the football team, then I took a sword through the chest.

I used to be the best driver in the world, then I took a sword through the chest.
by Just another lost child. December 7, 2011
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