Definition of "eslop"

Anything about the police sets them a talking at once. […] 'The blessed crushers are everywhere,' shouted one. 'I wish I'd been there to have had a shy at the eslops,' said another. And then a man sung out: 'O, don't I like the Bobbys?'

1851, Henry Mayhew, “The Literature of Costermongers”, in London Labour and the London Poor‎, volume 1, page 25