top out in WordNet English dictionary

1. to reach the highest point; attain maximum intensity, activity
   "That wild, speculative spirit peaked in 1929";"Bids for the painting topped out at $50 million"
   top out  peak 
   
2. provide with a top or finish the top (of a structure)
   "the towers were topped with conical roofs"
   top  top out 
   
3. give up one's career just as one becomes very successful
   "The financial consultant topped out at age 40 because he was burned out"
   top out