The Follies of Fenton: Sublimely Comic Despair

This is pretty much a perfect example of things spiraling out of your control and leaving you shaking your fists in impotent rage ... It's a perfect visual distillation of end-of-term exams!  In this case, though, it's about a misbehaving Labrador retriever named Fenton and his haplessly, hopelessly, hilariously exasperated owner and his increasingly desperate cries.  Take a look at what happened in Richmond Park near London (and why you should keep your dog on a leash):

Since we are living in the Internet age of magnificent meme-making, parodic mashups are inevitable.  These are my favorites: