A foster fuck is someone that is constantly used by others as a rebound. But in a way that they show the hurting person how amazing they should be treat. Like fostering an animal to find itâs forever home. Similar to the movie Good Luck Chuck.
Him: âYouâre so good to me and treat me so well, but I donât want to date you.â
Her: â Oh I know, Iâm just a foster fuck for you, until you find someone that you think is better.â