To
cup ones
fart and swiftly manoeuvre the cupped
hand to ones nostrils (or the nostrils of another). Useful in deciphering the health of the bowel and the contents of the previous evenings dindins.
Tarquin: '
Bertie dear boy, my olfactory sense deciphers a hint of
truffle in your poopascoop. I also note a forthcoming haemorrhoid.'
Bertie: 'Jolly good show, bang on Tarquers!'
'Oh, and please may I borrow your Preparation H?'