もやしっ子こ

noun

weak child; frail child; gangly child

Colloquial, often mildly teasing or self-deprecating term for a child who is physically weak, thin, or pale, likened to a bean sprout.

• うちの子こはもやしっ子こで、すぐ風邪かぜをひく。

  Our kid is a weakling and catches colds easily.

• 子こ供どもの頃ころはもやしっ子こだったけど、今いまは丈じょう夫ぶになった。

  I was a frail child when I was little, but now I'm sturdy.