Midnight Cowboys - in a Lancashire setting - were the blokes who came round in a horse and cart every night emptying the contents of peoples 'privies' into the cart before taking it away to be desposed of elsewhere...

One warm summer night old Bert was shovelling away in his shirt sleves and knocked his jacket into the cart.

"Bugger" he says as he puts his arm in...

"Oh, bloody 'ell" says young George, retching, "It's only a jacket - can yer not get a new 'un?"

"Aye," says Bert, fumbling about, "I could, but I've left me butties in't pocket..."