How can I atone for my hen weekend office indiscretion?

Work ethics is a fortnightly feature in Guardian Work where a reader submits a workplace dilemma and asks for your help. A selection of the best answers will appear in Saturday's paper. (And if you have a dilemma you'd like to share, anonymously, with our readers, please email us.) This week's question I recently brought a highly inappropriate item from my hen weekend into the office. It was just for a joke, but some of the guys started larking around with it and taking pictures on their phones, which have now found their way on to the web. My boss is livid and I'm deeply ashamed – how can I get out of this mess? What are your thoughts?