society > leisure > entertainment > pastimes > game > children's game > other children's games > [noun] > game of following the leader's instructions (4)
A children's game; = Simon Says, n.
A children's game in which players must obey a leader's instructions if (but only if) they are prefaced with the phrase ‘Simon says’.
More fully O'Grady Says. A game in which players must obey a leader's instructions if (but only if) they are prefaced with the phrase ‘O'Grady…