Examples from the Web for pigpen
In any case, it accommodated Pigpen very nicely; he was indeed one far-out gentleman, no doubt about it, none at all.
Notice as you go that this place doesn't look much like a pigpen now.The Banner Boy Scouts|George A. Warren
Now, it happened that there was one loose board in a corner of the pigpen.The Tale of Grunty Pig|Arthur Scott Bailey
It is often desirable to change the location of a pigpen, especially where a single pig is kept.Home Pork Making|A. W. Fulton