We live in a house which used to be the home of a rather opulent Iraqi family - and in every toilet there's a thing for squirting your arse. It's like a shower head on a hose, right next to the crapper.
I can tell you now that it trumps a toilet brush for dislodging the bowl-skidders no end, so...
My best mates Dad (RIP, lovely fella) was a Marathon Runner and did insane amounts of miles running and training. He used to swear that the immaculate condition of his feet after such massive abuse was down to pissing on them in the shower...
Anyway, my answer is yes - if I need one in the...