There was honda sensor thread which I expalined it. However this is what happened. TPS (throttle position sensor) voltage was low, which means the ECU thing the throttle was closed. Thus cut of the fuel. This result in sudden RPM drop (2K/2.5K to 1K). This results rpm fluctuation and if you continue to move you will have quick jerks.
Also note I've got feedback from some, its not only TPS failure cause this. But IAC, MAF sensor failures can have similar issues. However in my case if was TPS.