It's a demanding phrase, implying that the speaker believes they are owed something and are expecting it to be given to them immediately.
Here's a breakdown of the phrase:
* Ahora: Now
* Dame: Give me
* Lo mío: What's mine
The phrase can be used in different situations, depending on the context. For example:
* If someone owes you money: "Ahora dame lo mío."
* If you are expecting something you believe is rightfully yours: "Ahora dame lo mío."
* If you are demanding a specific object or item: "Ahora dame lo mío."
Remember, this phrase conveys a strong sense of entitlement and can come across as aggressive if used in a disrespectful manner.