from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. An alternate withdrawing or concealing of the face or person and sudden peeping out again in a playful manner or in some unexpected place, often resorted to as an amusement for very small children, and generally accompanied by drawling out the word “bo” when concealed, while “peep” is abruptly enunciated on reappearing: as, to play bopeep. In the United States more generally known as peek-a-boo.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a game played with young children; you hide your face and suddenly reveal it as you say boo!
Sorry, no etymologies found.