There's a video of Platz that was circulating around the internet in around 2008 where his quads looked super freaky. I can't describe the video and I'm right now I'm wasting your time. But hey, here's a cool picture until I can find that video!
It's the special feeling you get when you've just destroyed some weights and your muscles are all swolen and it seems like you're busting outta your gym clothes.