I have no clue! How understanding is he? Would he flip? I'd say he wouldn't go too crazy. I peed on my lovie once! Lol. I don't actually have a fetish, but he didn't get angry. He laughed. I guess you could approach him by just having simple conversation and asking him to tell some of his fetishes or fantasies if he has no fetish in exchange for you to share yours.

I'm not into this myself, but I do have a couple of experiences that might offer a suggestion.

The best suggestion is to be casually confident in your speech. If you express awkward behavior it will set the tone for the conversation. Urine is pretty sterile, so it's definitely not one of the dirtier fetishes out there, people just aren't typically use to the idea.

I knew a guy into receiving this and he was very upfront about it. When his female partners reacted with disgusted towards the matter, he would shrug and say "it's pleasantly warm! Just a suggestion" and carry on with conversation in a different direction. While he rarely found someone willing to participate, he also rarely had a person quit having sex with him because of his expressed desire.

If you don't feel confident enough to be upfront about your desire, you could try a slightly manipulative approach...

Once while taking a shower with my girlfriend I found I couldn't hold it in. I thought that if I peed and didn't say anything she might not notice, but unfortunately I hadn't drank much water that day so the smell of urine was unmistakable. She looked at me a little dumbfounded and asked if I had just peed on her feet, to which I admitted some may have gotten on her, but purely by accident and quite sorry. She laughed about it and finds it amusing to this day.

That might be an approach you can take just to gauge yr mates reaction to it (if they don't notice the urine, point it out with an apology... "uh, sorry, you might wish to step back, I couldn't hold my bladder.....:: insert sheepish grin :.

If they react casually enough, you could throw in a confident "urine play could be cool, but it's probably less exciting in the shower" or something similar, maybe with a bit of a side grin/humorous tone to make it slightly ambiguous as to whether or not you're serious. If you're into receiving you can say something like "I had fantasized about that but in my fantasy it's me who is peed on".

It might lead to a discussion or they might ask if you're serious, to which you should respond honestly, but casually. A casual approach is best because it allows them room to consider it rather than putting pressure on them to "pick a side: yes or no". And the shower is a nice place to approach it because a lot of people pee in showers and it can be cleaned off right then and there.

It really depends on how comfortable you already are with your partner. If you know them well and they haven't judged you over much, I recommend being forthright with your fetish. If you haven't know the person long, the more manipulative approach gives you the ability to back out of your statements--but it also depends on some persuasive acting skills.

If they show a strong resistance/repulsion by it, stay confident--it is after all YOUR fetish, they don't have to share in it, you are merely interested in discovering if they wish to. Two of my exes told me that I would absolutely never get near their ass with a strap-on. After more consideration, they both agreed to try it and both ended up enjoying it enough to request it unprovoked.

SO! Good luck, let me know if it turns out well for you!