massive urination during mind blowing climax

I`ve owned large Aneros for several years. Pretty much just used it as a dildo to jam in my ass until climaxed until a couple weeks ago when I came across a post somewhere else about handsfree orgasms. Decided to google Aneros and ended up reading forums about the do nothing method and even watched some videos on porntube type sites. So I started letting the tool do the work and focused on relaxation and easing into the sessions without any preconceived expectations. The results have been mixed but yesterday i had several hours to devote to the cause. Mostly just focused on breathing and relaxing and enjoying the sensation of my body around the aneros . Had several minor experiences which seemed to gain intensity each time. After 5 or 6 of these I had a mind shattering screaming at the top of my voice explosion and I pissed all over myself. It felt so amazing I didn`t even care , Ijust wanted more