The Collaborative International Dictionary
Blindman's buff \Blind"man's buff"\, Blind man's buff \Blind" man's buff"\ [See Buff a buffet.] A game in which one person is blindfolded, and tries to catch some one of the other players, and tell who it is.
Surely he fancies I play at blindman's buff with him,
for he thinks I never have my eyes open.
--Stillingfleet.
Wiktionary
alt. (context British games English) A game where one person is blindfolded and tries to touch the other players. n. (context British games English) A game where one person is blindfolded and tries to touch the other players.
Wikipedia
Blind man's buff or blind man's bluff is a variant of tag in which the player who is "It" is blindfolded. The traditional name of the game is "blind man's buff", where the word buff is used in its older sense of a small push. The game later also became known as "blind man's bluff"; it is possible that this name is a linguistic corruption.
Usage examples of "blind man's buff".
In my opinion, even if all he has in mind is a game of blind man's buff, which I doubt, it's well worth it.
She came up to him, kissed him on the point of his chin, turned him smartly around as though they were about to play blind man's buff, opened the door, gave him a gentle little propelling shove out of it.
One said Holkar had joined Scindia, another said Holkar was declaring war on Scindia, then the Mahrattas were said to be marching west, or east, or perhaps north, until Wellesley felt he was playing a slow version of blind man's buff.
Beny Singh and a dozen pretty creatures in saris were playing some form of Blind Man's Buff, and their laughter rose to the ramparts, making Dodd scowl, though if truth were told he was inordinately jealous of Beny Singh.
Closing his eyes, Josh approached the lamplit door, eyes shut, hands out in front of him like a child playing blind man's buff.
It was rather like Blind Man's Buff, only everyone behaved as if they were blindfolded.
After tea, too, when the wicked little cousin proposed a game at blind man's buff, it somehow or other happened that Nathaniel Pipkin was nearly always blind, and whenever he laid his hand upon the male cousin, he was sure to find that Maria Lobbs was not far off.