How do I tell my girl I don’t like kinky stuff?

How do I tell my girl I don't like kinky stuff?
How do I tell my girl I don’t like kinky stuff?

Directly. Cheerfully. Non-judgmentally. Everyone gets to like what they like. If you talk about it, you might be able to come to a compromise that works for both of you. If you don’t talk about it, you won’t, and it would be sad not to try.