弁べん当とう男だん子し

noun

man who makes his own lunch to take to work

Colloquial term for a man, often a young office worker, who prepares his own bento instead of buying lunch or having someone make it for him. Implies a degree of domesticity and frugality.

• 最さい近きん、弁べん当とう男だん子しが増ふえているらしい。

  Apparently, the number of men who make their own lunch is increasing lately.

• 彼かれは毎まい朝あさ早はや起おきして弁べん当とうを作つくる、いわゆる弁べん当とう男だん子しだ。

  He gets up early every morning to make his lunch; he's what you'd call a bento-making guy.