This was spotted by us on YouTube earlier. There was a sighting of a young female football fan who had definitely wet herself a little.
She was seen during the CONCACAF Gold Cup match between Costa Rica and Panama. It came a few moments after Panama scored their second goal in a 2-1 win. The female in question was dancing with her friend, with a small wet patch on the crotch of her jeans. Click on a not-so-good screenshot of her above. You can see the match highlights video here (she is seen at 6.01, only lasting about five seconds).