A confidence trick in which the victim is duped, usually by an unfulfilled promise of money or sex.
Origin
1950s; earliest use found in Ebony. Claimed by some sources to be either the name of a man who originated the trick, or the name of a fictitious woman used to lure the victim.
Definition of Murphy game in US English:
Murphy game
noun
US
A confidence trick in which the victim is duped, usually by an unfulfilled promise of money or sex.
Origin
1950s; earliest use found in Ebony. Claimed by some sources to be either the name of a man who originated the trick, or the name of a fictitious woman used to lure the victim.