Learn the French Word "Coucou"

Mother and girl playing peekaboo with baby
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Definition: (exclamation) hello, hi, peek-a-boo; cuckoo (clock)

Coucou, Pierre, c'est moi ! - Hi, Pierre, it's me!

Coucou, il y a quelqu'un ? - Hello, is anyone there?

Pronunciation: [koo koo]