In the marsh, it’s extremely windy and starting to sleet. The sheep and cattle stare angrily at Pip as he, Joe, Mr Wopsle and the soldiers pass through, as if to blame them for the miserable conditions. Shouting is heard not too far off. Sounds like two men arguing. “Murder! Convicts! Runaways! Guard!” Everyone starts running in the direction of the shouting, soldiers with their muskets raised and ready.
They find the two convicts in a ditch duking it out. Dickens didn’t use “duking it out” but I got to wondering where this phrase came from. Here’s what Urban Dictionary thinks: