MechaJesus Posted in M Best definition MechaJesus Used to describe an object or person of undescribable power. Holy shit jawn, you see that boxer. He beat the shit out of that guy like he was MechaJesus. How satisfied are you with the definition? Looking for MechaJesus meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 56 times.