peekaboo

1 ENTRIES FOUND:
peekaboo /ˈpiːkəˌbuː/ noun
peekaboo
/ˈpiːkəˌbuː/
noun
Britannica Dictionary definition of PEEKABOO
[noncount]
: a game played with a baby in which you cover and then uncover your face and say “Peekaboo!”
— called also (British) peepbo