Sorry for the late update, but I ended up taking kitty to the vet for an xray this time, and surprisingly, the whole hussle and bussle turned out to be a large gas bubble trapped in his intestine. So basically he was experiencing horrible cramps in that area, and the reason why it wasn't moving...
The revolution was prescription with his first set of shots. He's already had his second series since then , and all his medication is provided by the vet
My 4 month old kitten has had a bad health history since I found him at 3 weeks, but I'll address more on this after I state his current problem. About a week or so ago, I had switched my kittens food from blue kitten kibble to a different brand(wrllness core) too suddenly, and he had eaten it...