I walked straight into the window (next to the door). It was the loudest sound I think I have ever heard and I had 20 sets of eyes starring at me - I didn't do any damage to anyone or anything, besides my ego, but there was tea running all the way down the window and my head had a little buzz-on for about 30 minutes afterward.
All I could do was laugh at myself - what else could I do? I was so embarrassed. Everyone kept asking if I was OK, while trying to hold back their own laughter. And once everyone confirmed that I was indeed OK, they all erupted, taking their cues from my laughter. It was a pleasure to add a bit of comic relief to the week and to your day! Besides, if you can't laugh at yourself, then who can you laugh at?