Rectalgia is a medical term meaning a pain in the rectum. You can see where this is going, it can be usefully applied to people who are a pain in the arse, you know the WOSPs, Malcolms and fuckwits of the world. See also pygalgia.
When a woman's vagina is loosely abused stick a bone in ham prefferably 8-10 pounds butterball jamit up in there and Waller it around then snatch the bone out
Very rare, but it occurs when you are nailing a chick in the ass so hard that your dick tears through the lining of her ass, bursts into her uterus, and you mistakingly impregnate her.