Did you ever ask? From what you said, he works in a gay bar, is flirty, dresses in short shots or underwear, and has worked you as a customer to get massive tips. He knows he makes you wet. You gave him your number, but how is he to know whether your intention was to date or hire?
What’s the harm in saying something like: “I understand “no” is a complete sentence, but I would absolutely love to hire you for some private time” or however you want to phrase it. (“I’d love for you to give me the tip next time, and the shaft.”) I guarantee you he has heard it before. And if you’re generally a nice guy, tip well, and take the rejection gracefully, he’s unlikely to be offended and he wants to keep the tips coming.