箸はしが転ころんでもおかしい年とし頃ごろ

expression, noun

age at which even the slightest things seem funny; giggly age

A set phrase describing the period (especially late teens for girls) when everything seems hilarious. Often used lightheartedly or nostalgically.

• あの子こは今いま、箸はしが転ころんでもおかしい年とし頃ごろだね。

  She's at that age where even the slightest thing makes her laugh.

• 箸はしが転ころんでもおかしい年とし頃ごろだった頃ころを思おもい出だすと、懐なつかしい気き持もちになる。

  Remembering the time when I was at that giggly age makes me feel nostalgic.