top out

Short definition from Wiktionary

Verb

1. 1
   To reach one's highest point.
2. 2
   To quit one's career during a period of success.
3. 3
   To complete the construction of a tall building, originally by putting on a "topping-out" course.
4. 4
   To complete a route by reaching and climbing over its top.

Noun

1. 1
   The act of topping out, reaching the top of a route.