いい子こ

expression, noun

good boy; good girl

Used to praise a child for behaving well, or to describe a well-behaved child. Often used by parents, teachers, or in children's contexts.

• 今日きょうはいい子こにしていたね。

  You were a good boy/girl today, weren't you?

• いい子こで待まっていてね。

  Be a good kid and wait here, okay?