Many of us use rhyming cockney slang without knowing it. Most has completely disappeared-apples and pears-stairs; trouble and strife- wife; J Arthur Rank-wank but some have became part of the language.
I was on my TOD and had a BUTCHERS at a right BERK who was not using his LOAF and was telling the most outrageous PORKIES as he RABBITED on and on. In the end I couldn’t be bothered and SCARPERED off and had a glass of MOTHERS RUIN
Tod Sloan(famous jockey)-alone
Loaf of Bread-head
Rabbit and Pork- talk
Scapa Flow(WW1&2 naval base)-go
*Charlie Chang-rhyming slang