Adjective : the fluctuating response of the stock market to a peekaboo economic recovery.    From Dictionary.com. 

All run-away sheep bound back bopeep, trailing their teenes behind them.    From Wordnik.com.  [Finnegans Wake] Reference

The clouds on which the saints repose are opaque and solid; cherubs in countless multitudes, a swarm of merry children, crawl about upon these feather-beds of vapour, creep between the legs of the apostles, and play at bopeep behind their shoulders.    From Wordnik.com.  [Sketches and Studies in Italy and Greece, Second Series] Reference

There was a charming mixture of all that is needed to make a garden perfect -- grass, velvety lawn rather; water, for a little brook ran tinkling in and out, playing bopeep among the bushes; trees, of course, and flowers, of course, flowers of every shade and shape.    From Wordnik.com.  [The Cuckoo Clock] Reference

Are you little bopeep?.    From Wordnik.com.  ["If there is a law that is outdated, impractical, and/or immoral, people should have the right to challenge it."] Reference

August 9th, 2006 at 11:43 am bopeep says.    From Wordnik.com.  [Think Progress » Industry-Backed Author: The ‘Vast Majority’ of Climatologists Don’t Believe In Global Warming] Reference

At length, as I leaned with my elbow on the bench one day, it ran up my clothes, and along my sleeve, and round and round the paper which held my dinner, while I kept the latter close, and dodged and played at bopeep with it; and when at last I held still a piece of cheese between my thumb and finger, it came and nibbled it, sitting in my hand, and afterward cleaned its face and paws, like a fly, and walked away.    From Wordnik.com.  [Walden] Reference

The branches overhead were alive with a variety of beautiful lizards, and birds of the gayest plumage; amongst others, a score of small chattering green paroquets were hopping close to us, and playing at bopeep from the lower surfaces of the leaves of the wild pine, (a sort of Brobdignag parasite, that grows, like the mistletoe, in the clefts of the larger trees,) to which they clung, as green and shining as the leaves themselves, and ever and anon popping their little heads and shoulders over to peer at us; while the red -- breasted woodpecker kept drumming on every hollow part of the bark, for all the world, like old Kelson, the carpenter of the Torch, tapping along the top sides for the dry rot.    From Wordnik.com.  [Tom Cringle's Log] Reference