It's a common Spanish phrase, often used in a romantic context to express sadness or disappointment when someone is leaving.
Here are some examples of how you might use it:
* "Me dejas": This is a simple and direct way of saying "You leave me." It can be said in a heartbroken tone or with anger.
* "¿Por qué me dejas?": This translates to "Why are you leaving me?" It expresses a desire to understand the reason for the separation.
* "No me dejas, por favor": This means "Don't leave me, please." It pleads with the person to stay.
The specific meaning of "me dejas" depends on the context and the tone of voice used.