D defs.my
Entry 1 sense Webster, 1913

Bopeep

/bōp-ēp'/ · Bo·peep · IPA /boʊpˈiːp/
01 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…
  1. 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.