1. Also called bo-peep.
a game played by or with very young children, typically in which
one covers the face or hides and then suddenly uncovers the face or reappears, calling “Peekaboo!”
2. Clothing. a.
decorated with openwork.
made of a sheer and revealing material, as some blouses for women.
appearing briefly and then vanishing, or promising to appear but failing to do so: the fluctuating response of the stock market to a peekaboo economic recovery.
Origin: 1590–1600; peek
connective + boo1