Contrary to popular misconception — and the entire plot of SpongeBob SquarePants — getting a driver's license is not a particularly difficult task. All you have to do is follow the rules of the road, don't speed and drive like any sane person ... right? As several Redditors can attest, the truth is a whole lot messier. 

From forgetting the existence of the horn to crashing into a chicken, here are the 28 dumbest reasons folks failed their driving tests.