While driving i floored it,i heard noise, like rocks hitting the fender (could really be rocks and not related), and thend the oil light went on. I immediately shut the engine off, pulled over and opened the bonnet, no burning smell, no smoke and everything looked clean. Walked around the car and noticed little trail of oil to the right in the back. When i looked under, there was a lake of oil already formed, which evolved into ocean... The poor thing was pouring oil for about 20-25 minutes until the tow truck arrived, and then a bit more when i got it home. No other noises were heard. Front and back of the engine are looking clean. What could be the problem and what is the worst that could have happened ? 2004 Accord ictdi, ~120k.