Iāve posted this in the Brexit thread before, but given the messing about in boats and finns sports drinks references I canāt help posting it again.
Even if one had sufficient length such that when erect would prevent egress through the sunroof, I would assume that, as opposed to stopping the driver from ejecting, the elastic nature of the penis would result in a spring-like reaction; heād go halfway through the sunroof and then TWANG! and fuck off to a lower earth orbit, rotating in a flat spin at about 33Hz.
You can have my like, but Iād argue my comment was less lewd and more about Physics. Perhaps should be relocated to the SpaceX thread, if it becomes a new form of rocket propulsion Iād like it to be referred to as the Cockwhalloper.