noun. a game played with young children; you hide your face and suddenly reveal it as you say boo!.
Example sentences of the word peekaboo
1. Noun, singular or mass
For example, a lightweight cardigan can make all of the difference when the sun is playing peekaboo with the clouds, and can be paired with almost any other piece.
They create a peekaboo effect that lets you showcase special pieces of china or drinkware.