Yesterday, I forgot to flush the toilet at work. The look of disgust on my co-worker's face who just walked out was priceless.
Oh my goodness! I bet that was embarrassing. But it happens. 
Oh, it was mega embarrassing! My co-workers wouldn't stop talking about it. I'm sure they're never going to let me live it down.
eventually they will forget. They will probably do something even more embarrassing then the joke will be on them. haha.