grandmother's footsteps

English

Noun

grandmother's footsteps (uncountable)

1. red light, green light
   • 2012, Caspar Henderson, The Book of Barely Imagined Beings, page 298:

     But its [the thorny devil's] best hope is to remain unseen in the first place and to this end the Devil, which is camouflaged in shades of brown and yellow, walks slowly and stops often, like a chameleon or a participant in a neverending game of grandmother's footsteps.