There are a number of more polite synonyms for the phrase "yank off." Some options could include removing, pulling off, slipping off, taking off, extraction, or detaching. These terms can be used in a variety of contexts, such as when discussing removing a piece of clothing or an object from its location. Of course, in some cases, the term "yank off" may be appropriate or necessary depending on the situation or the level of urgency involved. However, it's always good to have a variety of synonyms on hand to avoid any unintended misunderstandings or offenses.