Here are some ways to say it depending on the context:
* Formal: "Démelo"
* Informal: "Dámelo"
* More polite: "Por favor, démelo." (Please, give it to me.)
The difference between "damelo" and "démelo" lies in the formality. "Démelo" is the more formal, polite form, while "damelo" is more casual and informal.
Let me know if you want to know how to say it in other contexts or need help with any other Spanish phrases!