-holer

combing form, informal, designating a privy, etc. with a specified number of toilet seats: one holer (COD)

“One-holer? Funny thing about it they were both, as I remember so well, both two-holers.”

“You’re gonna laugh at me. There was one in the Village here, which I saw years ago … And that one was a four-holer!”

“We used to have a two-holer ’cause we didn’t get plumbing until I was about 16 or 17.”