grandmother’s footsteps
noun /ˌɡrænmʌðəz ˈfʊtsteps/
/ˌɡrænmʌðərz ˈfʊtsteps/
[uncountable] (British English)- a children’s game in which one child stands with his or her back to the others while they try to walk towards the child without being heard or seen to move when he or she turns round