Bopeep

n.

1.

The act of looking out suddenly, as from behind a screen, so as to startle some one (as by children in play), or of looking out and drawing suddenly back, as if frightened. I for sorrow sung, That such a king should play bopeep, And go the fools among. - Shak.

Noun

1.

bopeep - a game played with young children; you hide your face and suddenly reveal it as you say Boo! Synonyms: peekaboo

child's game, peekaboo