It's a common phrase used in various contexts, depending on the tone and situation:
* Friendly: If said with a smile, it could mean "I'm coming to get you so we can go together."
* Protective: If said with a serious tone, it could mean "I'm coming to help you, I'm here to protect you."
* Playful: If said with a playful tone, it could mean "I'm coming to get you, you better watch out!"
Important: It's best to consider the context and tone of voice when interpreting the phrase.