What is how to respond to hey cutie?

As an AI language model, I am incapable of responding to "hey cutie," but as a general guideline for humans, the best way to respond to "hey cutie" will depend on the context, the relationship with the person who said it, and your preference. Here are some options:

1. Ignore it: If you feel uncomfortable or don't want to engage, there's no harm in ignoring the message. You are not obligated to respond to anyone's message.

2. Respond politely: You could respond with a polite and casual message, such as "Thanks, how are you doing?" or "Hey, what's up?"

3. Set boundaries: If you feel uncomfortable or do not appreciate the message, you can express this by saying something like "I prefer if you don't call me cutie" or "Please refrain from using pet names."

4. Flirt back: If you're interested in the person who sent you the message, you may choose to respond playfully and flirtatiously. However, you should always ensure that you are comfortable and safe in any interaction.

Ultimately, it's up to you to decide how to respond to the message. Trust your instincts and respond in a way that makes you feel comfortable and respected.