陰かげ裏うらの豆まめもはじけ時どき

expression

all girls eventually awaken to sex

Proverb meaning that even the most sheltered or innocent girl will eventually become aware of sexuality, just as a bean pod hidden in the shade will eventually burst open when ripe. The literal image is of a bean pod in the shade bursting open.

See also: 豆

• 「陰かげ裏うらの豆まめもはじけ時どき」ということわざがある。

  There is a proverb that says, 'Even the bean in the shade will burst open in its time.'