...although it's something I've kept to myself for obvious reasons. I am not complaining. I am merely curious to know if you've ever heard of this and if you know why and how it happens. Do other people have similar experiences?

Possibly Odd Or Perhaps Curious Orgasm Mostly Enjoyed Regularly

I shared your letter with Dr. Debby Herbenick, a research scientist at Indiana University, a sexual health educator at the Kinsey Institute, and the author of Great in Bed and numerous books about sexuality.

Dr. Herbenick's short answer: "Genitals are magical, mysterious places of wonder."

And her much more satisfying long answer: "There are other documented cases of people having orgasms while pooping. Most are on internet message boards, but some have made it into the medical and scientific literature. 'Defecation-induced orgasms' seem to be more common than orgasms from peeing, but both kinds happen."

Yes, yes: But why and how do defecation-induced orgasms happen?

"It's not entirely clear, but here are some possibilities," said Dr. Herbenick. "The pelvic nerve—which is one orgasmic pathway—links up to not only the vagina and cervix, but also the rectum and bladder. Another possibility is something called nerve 'crosstalk.' In essence, the genital and excretory parts are smooshed closely together, and some nerves (like the pelvic nerve) service more than one part. Thus, feelings and messages carried in the nerves can get a little muddled. For example, some people can have vaginal pain from bladder problems. Similarly, people describe genital orgasms from stimulation of nearby parts, and nerve crosstalk is thought to be part of that." (Want to shut up an "intelligent design" creationist? Ask them to defend the ill-advised, none-too-intelligent smooshing together of our excretory and reproductive systems—after making them google "obstetric fistula.")

"POOPCOMER doesn't have to like the fact that she orgasms from pooping," said Dr. Herbenick, "but it's better than the opposite scenario: unintentionally pooping during orgasm. That also happens."

Follow Dr. Herbenick on Twitter @Debby Herbenick.

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You always take questions from BDSMers and cuckolds and hardcore sexers, but will you take mine? Won't you please offer some advice to me, a simple heterosexual girl having problems with her heterosexual male?!? My boyfriend locks the door behind him when he pees. It hurts my feelings! Being a part of his pissing experience would turn me on! He claims he is pee shy. But he pees in public restrooms in front of other men! Why can't he pee in front of me?!? I would be grateful for your advice on how to get him to relax with his peeing moments a little more because I'm BORED. Thanks!

Personally Insulted Since Sexy Entrance Denied

You're just a simple heterosexual girl who wants to be part of her boyfriend's "pissing experience" because that would turn you on—nothing kinky or hardcore about that, no sir. You're just after some old-fashioned, all-American, plain-vanilla voyeuristic piss play.

I'm not sure there's anything I could say here that would persuade your boyfriend to include you in his pissing experience. If knowing that it would make his piss-freak girlfriend insanely horny doesn't motivate a guy to unlock the door and let her watch, PISSED, he's unlikely to be convinced by some gay dude with an advice column. (But just in case: Hey, PISSED's BF! Open the damn door!) So if watching your boyfriend piss is really that important to you, PISSED, you'll have to get a new boyfriend or start following the one you've got into public restrooms.

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Longtime reader, first-time letter writer. My 13-year-old stepson leaves his spooch on the goddamn toilet seat. How do I tell him to clean up after himself? I don't know how he gets it on the toilet seat! Logistically, it baffles me!

Step-Parent Ain't Not Kleaning Spooch

That word you keep using—spooch—I don't think it means what you think it means. Spooch is not slang for ejaculate, SPANKS, but it could be the world's worst name for a dog. The word you want is spooge. And I don't think your sign-off means what you think it means, either. Putting a "not" after that ungrammatical "ain't" means you're anxious to clean your stepson's spooge off that goddamn toilet seat.

On to your questions...

Logistics: Your stepson stands and faces the toilet seat as he would when he pees and has himself a wank. He thinks he's destroying the evidence when he flushes, SPANKS, but he's obviously missing the drops that land on the seat. Replacing your white toilet seat with a black one might help your stepson notice that flushing isn't enough.

Telling him to clean up after himself: Your stepson's father should have a talk with him. "You're making a mess of the toilet seat," his dad should say. "Put the seat up and wipe it off when you're through." If your stepson protests that he's careful when he pees, his dad should tell him that he's not talking about piss. That poor kid will be so mortified that he'll blow loads out the window before he masturbates in the bathroom again.

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I need your help. I'm a 26-year-old straight girl and I've been dating this great guy for a few months. Our sex life is really satisfying/fun/adventurous, due in no small part to the fact that he has a lot of kinks. He has a thing for scat, though, and that has thrown me for a loop. He doesn't expect me to engage in poop play, but I know he watches this kind of porn sometimes and it freaks me out. Would you break up with someone due to one extremely squicky kink?

So Not Into Poop

I would and I have.

IMPORTANT NOTE: A lowly, officious, and quite pleased with herself copy editor has gleefully informed me that Urban Dictionary defines "spooch" as "semen" or "a man's climax." While I have the utmost respect for the modern-day Samuel Johnsons at Urban Dictionary, I refuse to acknowledge "spooch" as a synonym for semen or the male climax.

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On the Lovecast, Dan speaks with the Perverted Negress about meeting polite kinksters online: savagelovecast.com.

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