Every now and again, Lifehacker asks a medical professional the health questions that you wish an expert would answer but you can't quite bring yourself to ask. Today, we're helping out a reader who has a very personal and intimate butt question.

The phrase "butt plug" is guaranteed to put a smirk on the face of the kind of office bore who thinks it's funny to deride anal pleasure. But the truth is, butt fun is good, and if you’re avoiding it, you’re missing out. Butt plugs are divine for anal arousal, and using one as part of your sexual repertoire will lead to intense fulfilment. You may well also find that they’re orgasm dynamite. Here's everything a butt plug novice needs to know.