Meaning : Give up one's career just as one becomes very successful.
Example :
The financial consultant topped out at age 40 because he was burned out.
Meaning : Provide with a top or finish the top (of a structure).
Example :
The towers were topped with conical roofs.
Synonyms : top
Meaning : To reach the highest point. Attain maximum intensity, activity.
Example :
That wild, speculative spirit peaked in 1929.
Bids for the painting topped out at $50 million.
Synonyms : peak