There are many different synonyms for the phrase "walk off with", which means to steal or take something without permission. Some common alternatives include "abscond with", "make off with", "snatch", "appropriate", "lift", "pilfer", "purloin", and "swipe". Each of these words has slightly different connotations and can be used in different contexts depending on the situation. For example, "abscond with" suggests a more dramatic and secretive theft, while "pilfer" is a more subtle and sneaky way of taking something. Whatever word you choose to use, be sure to use it carefully and accurately to avoid misunderstanding or confusion.