自じ家か発はつ電でん

noun

private power generation; in-house electricity generation

Refers to generating one's own electricity, typically via solar panels or a generator, rather than relying on the grid.

• この工こう場じょうは自じ家か発はつ電でんで電でん力りょくをまかなっている。

  This factory covers its electricity needs with in-house power generation.

noun

masturbation

Jocular slang likening self-pleasure to generating one's own power. Used humorously, often among close friends or online.

• 「昨日きのうは自じ家か発はつ電でんしてたよ」と彼かれは冗じょう談だんっぽく言いった。

  "I was doing some private power generation last night," he said jokingly.