Expression used to show surprise or disgust, possibly even disbelief. Originally hailing from the more frequented term 'Christ on a bicycle.' Now however has been scientifically proven that god mastered the art of wheel turning from a go-kart his bad fiddling uncle Tommy gave him.
Have you heard, Moreen is becoming a man? What you mean Moreen from accounting, God on a go-kart!
by Captain Stabber. December 15, 2009