ニケツ

noun

riding double; two people on one bike/motorcycle

Slang term for two people riding on a single bicycle or motorcycle, often illegally. Common in youth and biker subculture.

• ニケツは危あぶないからやめとけ。

  Riding double is dangerous, so don't do it.

• あのカップル、よくニケツしてるよね。

  That couple often rides double, huh.

noun

sharing a seat; sitting two to a chair

Extended slang use for two people sharing one seat or chair, often in casual or cramped settings.

• 椅い子すが足たりなくて、ニケツで座すわった。

  There weren't enough chairs, so we sat two to a seat.