We don't seem to have got the one yet about [long·story·short as a girlfriend of mine used to say elliptically] the man with no knowledge of medical or anatomical terms, told by a doctor to take the pills 'per anum', and coming back next week to say "For all the good your pills did me I might as well have stuck them up my arse."

[Oldies definitely the best - now, Michael, let's think - do you maen yourself or the pleasantry, hmm?]