Green’s Dictionary of Slang

delog n.

also dilog, dlog
[backsl.]

gold.

[UK]Hotten Dict. of Modern Sl. etc. 125: DLOG, gold.
[UK]Hotten Sl. Dict. [as cit. 1859].
[UK]Sl. Dict.
[Aus]Sydney Sl. Dict. (2 edn) 11: Delog - Gold.