OMG. I'm not trying to pile on here but why on earth would you do that. A real enema that works in a normal way is a cheap thing to buy at the drug store. You likely have some abrasions from this 'procedure'. A perforated colon leads to sepsis and is beyond painful. Sick, fever, curled up in fetal position. You'll likely know in a short time if you have a perforated colon. So, I'm doubtful of that. If it continues to hurt get checked out. But ya, don't do anything like that again.
So, it's been a few days. Any better?