When I was just a hairy arsed boy I remember helping a lady with a car full of kids push start her car in a shopping centre car park. Me and a mate got behind and started pushing while she sat in the car. When we had enough speed I yelled out now ( as in now drop the clutch). Having recieved my message she proceeded to turn the key thus cranking the motor over. Me and my mate just stood there looking at each other in disbelief as the car rolled on with her cranking the motor over.