I know you feel bad, but let some time pass. She might be receptive to making lite of the encounter in due time. As somebody her already said, you'll probably have a laugh over it in the future.
BTW, when my W and I were together during happier times, I once played a gag on her with a pleasure toy I bought. I won't go into details, but she got the biggest surprise and kick out of it.
"It is curious that physical courage should be so common in the world and moral courage so rare." -Mark Twain
