here's sum helpull (still in use) cockney slang if u want it :

jack jones : on ya own
new delhi : belly
pork chop : cop (pig, get it)
jackanory : story
bacon & eggs : legs
Aristotle : bottle
cock linet : minute
butchers hook : look
rubee murray : curry
dicky bird : word
ruba dub dub : pu
loaf 'o bread : head
scarpa flow : go
teaf : thief
rosee lea : tea
wife : trouble & strife
bunts & burna : earna.......

modern day London slang is highly influenced by carabean slang.. & a lot by american jargon also.