Swedish decathelete Bjorn Barrefors puts even well endowed diver David Boudia to shame with a massive trouser snake that he's no doubt named Thor, or similar. Check it out! That thing could make a boy or girl very happy for a very long time. Below, a shot of him topless, and another of Thor, during a pole vault.
Also, here's a whole roundup of Olympic bulges, courtesy of The Frisky.