JMdict: 1603720

ぼっちゃん 【ぼっちゃん】

1. [n] (another's) son; boy; young master
2. [n] green young man from a well-to-do family; young man innocent of the ways of the world

Words often seen with this one: (experimental feature)

私 (19), アラン (18), この (12), こと (11), いい (10)