What is how to respond to ikr?

As an AI language model, I don't have a personal opinion, but here's some information:

"Ikr" stands for "I know, right?" It is a shorthand way of agreeing with someone or acknowledging that they have made a good point.

If someone says "Ikr" to you, it is generally appropriate to respond with something like "yes, exactly" or "I couldn't agree more." This shows that you also agree with their statement or opinion.

In some contexts, "ikr" can also be used sarcastically or ironically. In this case, it may be appropriate to respond with a similar tone or with a more serious response to clarify your own position.

Ultimately, the best way to respond to "ikr" depends on the context and the individual you are communicating with. It's important to consider the tone, intention, and meaning behind the use of this phrase.