Here are a few possibilities:
* "Romeo's done": This could mean that Romeo has finished something, or that he is no longer alive.
* "Romeo's done it": This might mean Romeo has completed a task or action, perhaps something risky or romantic.
* "Romeo's done for": This could mean that Romeo is in trouble or in a dangerous situation.
To understand what "Romeo done" means, it's important to know the context in which it was used. Please provide more information about the situation or the speaker.