The phrase "was off with you" is generally used to express that someone is behaving in an unusual or uncharacteristic way. There are many synonyms for this phrase, which include "acting strange," "distant," "cold," "aloof," "withdrawn," "unfriendly," "tense," and "unsettled." These terms can be used to describe someone who is being distant or unfriendly towards others. They can also be used to describe a person who seems to be holding something back or hiding something. Whether describing a person or a situation, these synonyms help to communicate a sense of unease or discomfort that may be present.