当あてっこ

noun, noun or participle which takes 'suru', transitive verb

guessing game

A casual game where participants try to guess something, often played by children. The っこ suffix adds a sense of friendly competition or mutual action.

• 子こ供どもたちは箱はこの中なか身みを当あてっこして遊あそんだ。

  The children played a guessing game about what was inside the box.

• 誰だれが一いち番ばん早はやく答こたえられるか、当あてっこしよう。

  Let's have a guessing game to see who can answer first.