Wiktionary
Usage examples of "rectums".
I have to help him to take his clothes off, so I'm bound to end up thinking about needs and wants and rights and duties and men with boils in their rectums, although I don't get anywhere.
I want to look at blocked rectums and oozing warts and all sorts of things that would make the rest of the world sick to its collective stomach, and hope that by so doing I will feel like a good person again.
Explain to me what this fucking fascination with family values is that people are espousing out of their fucking rectums in all the goddamn newspapers.
Nothing more than skeletons, bleeding from their rectums and begging for food.