"Foists off" is a common phrase used to describe the act of forcing or burdening someone with something that is not wanted or needed. There are several synonyms for this phrase, including "palms off," "passes off," and "shoves off." Each of these phrases carries a slightly different connotation, but they all involve tricking or coercing someone into taking responsibility for something they do not want. It's important to communicate clearly and honestly so that you don't have to "foist off" unwanted tasks on others. Instead, try to find a mutually agreeable solution that benefits everyone involved.