Disagree with this one! I enjoy every bit of the enema experience. I like being filled; I like holding the heavy, sloshing load with its increasing urgency to get out of me. This bit is best enjoyed with a really BIG inflatable nozzle to prevent leaks.
But when the time comes to release, this, too, is an art. You can heave and strain and leave yourself with a throbbing prolapsed anus, or you can co-operate with what your body is doing and enjoy all over again. I'm often deliberately constipated when I take an enema, with a great fat turd sitting high up in the descending colon. After a sufficient holding time, the initial rush of expulsion will be well coloured but contain almost no solids. I settle down to wait patiently; and in due course, without pushing at all (in fact I often deliberately try to hold back) I can feel the mass moving within me.
It goes into the rectum with a surge of pleasure, and then, if it is big enough, gives my prostate an exciting (electric?)squeeze on its way past. I wait again for more solids to come down the pike and provide the bulk that my muscles need to propel it all out of me. Ah, now my anus begins to dilate...A push at the right moment, and it's like a tipper truck delivering its load with a rumble and a torrent of backed up shit and water. This is sensuous in the extreme!
Again a wait. After a high enema, the sopay water has got as far as the caecum. That's a long way for most of the expulsion to travel. I say most, because the caecum holds a lot of 'mud' that still has in it all the water that the large intestine will remove later. It is the bulk of a thorough expulsion. So I wait. Probably I have some trapped gas. Taking the knee-chest position helps me liberate this and also helps to maintain the waves of expulsive contractions as my bowel empties. The next wave will be softer material, with a different feel as it leaves my body, but no less satisfying.
All told, probably three or four waves of expulsion will follow, with the last one a long, continuous pouring out of the caecum's muddy contents, leaving me satisfyingly empty. Not to enjoy an expulsion fully would be a crying shame!
Johnny