A jehovahwatt is based on the concept of the amount of energy one must expend trying to explain evolution to a creationist before you feel compelled to light yourself on fire in frustration.
"It took 47.3 Jehovahwatts to turn that water into wine"
"1.21 Jehovawatts! 1.21 Jehovawatts! The only thing that has that much power is a bolt of lightning!"