1. bo-peep - Noun
2. bo-peep - Verb
The act of looking out suddenly, as from behind a screen, so as to startle someone (as by children in play), or of looking out and drawing suddenly back, as if frightened.
(countable, British Virgin Islands) Any whistling frog.
(uncountable, Cockney rhyming slang) Sleep.
bo-peep (third-person singular simple present bo-peeps, present participle bo-peeping, simple past and past participle bo-peeped)
(intransitive) To play the game of bo-peep; to peek out suddenly.
The trams ran as far as Bexhill, and were worked by overhead electric wires, except for the stretch along the seafront from Bo-Peep to the Memorial, which was initially worked by the Dolter stud contact system. Source: Internet