blind man's buff

From blind man's + an obsolete sense of buff, coming from Old French buffe (“blow”). First known usage from 1854.

blind man's buff (uncountable)

1. (British, games) A game where one person is blindfolded and tries to catch the other players.^[1]

   Synonyms: hoodman-blind, (both obsolete) hoodwink

   • 1876, William Black, “An Encounter”, in Madcap Violet. […], volume III, London: Macmillan and Co., →OCLC, page 74:

     That was a further clue; and here, indeed, young Mr. Dowse was getting "warm," as children say at blind-man's-buff, although, as a matter-of-fact, she had now been talking of George Miller at all.

• blind man's bluff (US)

• hoodman (“the blindfolded player”) (obsolete)

•   blind man's bluff (game) on Wikipedia.Wikipedia