An "Indecent Proposal" generally refers to a morally questionable or sexually offensive offer, often involving money in exchange for a sexual favor . This concept was popularized by the 1983 novel and subsequent 1993 hit film starring Robert Redford, Demi Moore, and Woody Harrelson. The Movie: Indecent Proposal (1993)
Directed by Adrian Lyne, the film explores the psychological and emotional fallout of a high-stakes ethical dilemma. Indecent Proposal (1993) - IMDb Indecent Proposal