Hot thread!
My boyfriend pisses inside of me pretty much every morning - It has become routine! We have a butt plug ready at the side of the bed which he uses to avoid spillage while I catch a few more minutes of sleeping. Awesome feeling...!
If he is really horny, he will follow me to the bathroom pull the plug out, fill my mouth with his cock while I empty myself out (the feeling of pissing myself and "pissing" from my ass turns me on) and when I'm done, he gives me a load for the day.
During our chem sessions, I try to keep his piss in for as long as possible and after 3 or 4 loads, the effect of the drug in his piss is similar to a booty bump. Only he is allowed to remove the plug so sometimes I feel on the verge of bursting, but it's awesome!
The only rule is that he is not allowed to tell me when it's coming.
We are now trying to train him to control his flow in short, sharp squirts randomly while I'm sucking him. Keeps me on my toes, quenches my thirst and allows even more of his juices to enter me.
All in all, one of my favourite things to do!