The phrase "outs with you" is often used as a casual way to tell someone to leave or go away. There are a variety of synonyms that can be used in place of this phrase, such as "get lost," "scram," "hit the road," "go away," "take a hike," "beat it," "bug off," and "shoo." Each of these phrases conveys a similar message and tone to "outs with you," but may be better suited for different situations. It's important to choose the right synonym based on the context, as some phrases may come across as more rude or aggressive than others.