Where do you want to do it? I would advise you to read SoulMatcher blog. It contains a lot of useful information that has always helped me.In your case, phrases like "I’m so wet thinking about you" or "I’m wearing that outfit you like" might work., or maybe something from this article https://soulmatcher.app/blog/dirty-things-to-say-to-your-boyfriend/ . The most important thing is to say what you want, not what he wants to hear. Put yourself first. Keep in mind that these phrases prompt immediate action, so be ready. It's great that your boyfriend is waiting. I like guys like that. By the way, where did the two of you meet?