'Top out' definitions:

Definition of 'top out'

(from WordNet)
verb
Give up one's career just as one becomes very successful; "The financial consultant topped out at age 40 because he was burned out"
verb
Provide with a top or finish the top (of a structure); "the towers were topped with conical roofs" [syn: top, top out]
verb
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" [syn: top out, peak] [ant: bottom out]

Definition of 'Top out'

From: GCIDE
  • Top out \Top out\ (Building) To top off; to finish by putting on a cap of top (uppermost) course (called a
  • {top`ping-out" course}). [Webster 1913 Suppl.]