Notes:

From "Laurie's Bogan Ghost Story"
Evidently there's a bathroom stall that switches the gender of the person who goes in it. I'm sure you can see where this goes. Also, it's another hentai doujin with an Aussie translation.

I wasn't familiar with the euphemism, which made me think of this-

(Panel is off kilter because the whole page was; I couldn't do anything about it)