a game for very young children, in which one hides (esp hiding one's face in one's hands) and reappears suddenly
2. Australian and New Zealand informal
a quick look (esp in the phrase have a bo-peep)
bo-peep in American English
(bouˈpip)
noun
peekaboo
Word origin
[1520–30; bo (var. of boo) + peep1]This word is first recorded in the period 1520–30. Other words that entered Englishat around the same time include: accent, monkey, pilot, ribbon, trial