Last night, KSU lost to Oregon in OT 80-77, but Bill Walker couldn't wait for overtime. According to the Kansas City Star:

With just seconds left in regulation and K-State lined up to inbound the ball and run a last second play, Bill Walker was overcome with an urge too strong to control. he stepped to the sideline and relieved himself with several towels.

Here's the picture evidence:

Now, the video evidence (lower left corner):