backslang it v.
1. to make a deliberate detour to avoid meeting a certain person or persons.
|Vocab. of the Flash Lang. in McLachlan (1964) 225: back-slang: [...] to go a circuitous or private way through the streets, in order to avoid any particular place in the direct road, is termed back-slanging it.|
2. to leave by the back door, thus to leave surreptitiously, quietly.
|Vocab. of the Flash Lang. in McLachlan (1964) 225: back-slang: to enter or come out of a house by the back-door [...] is termed back-slanging it.|
|Grose’s Classical Dict. of the Vulgar Tongue.|
|,||Dict. of Modern Sl. etc.|
|, ,||Sl. Dict.|
|Life and Adventures.|
|Passing Eng. of the Victorian Era 14/1: Back slang it (Thieves’). To go out the back way.|
3. (Aus.) to request lodgings from strangers as one travels through the back country.
|E.E. Austral Eng. 14/1: In the back-blocks [...] where hotels are naturally scarce and inferior, the traveller asks for hospitality [and] is always made welcome. There is no idea of anything underhand on the part of the traveller, yet the custom is called back-slanging.|