Chuck, chuckie are perfectly common terms of endearment in Northern England (so you'll often hear them as chooks, chookie). Probably as much by association with similarly-used duck, duckie (more likely in UK SE) as anything else.
In the military or police, Guv usually denotes genuine respect, rather than Sir, despite that being official protocol. It's also used for NCOs, who tend to dislike being called Sir.
joey (plural joeys) (dated, slang, derogatory, offensive in British) A person with cerebral palsy. (dated, slang, derogatory, offensive in British) A stupid person.
1. a woman's false blouse front, worn to fill in the neck of a jacket or low-cut dress. 2. a man's false shirt front, esp one worn with full evening dress.
Git /ɡɪt/ is a term of insult denoting an unpleasant, silly, incompetent, annoying, senile, elderly or childish person. As a mild oath it is roughly on a par with prat and marginally less pejorative than berk.
There is no Cockney rhyming slang for bum, there is a Mockney rhyming slang - fife and drum, There is an interesting Cockney term for arse, the vulgar ( or Anglo Saxon) term for bum. It's interesting because it uses double Rhyming Slang plus abreviation. Aris -> Aristotle. Aristotle -> Bottle.
'Bob' was also used to refer to a set of changes rung on church bells, and this may have been the nickname's origin as the word 'shilling' has its origins in the proto-Germanic word 'skell' which means 'ring'.
As with Police Constables, Detectives can progress their careers through the rank structure: Detective Constable (DC) – starting point. Detective Sergeant (DS) Detective Inspector (DI) Detective Chief Inspector (DCI)
"Ello gov'na" is an informal way to address someone instead of saying "Hello sir/ma'am" that comes from the Cockney accent of East London, but this is already becoming quite old-fashioned and might come off as mocking if an American uses it.
Marijuana is usually weighed in either grams or ounces. Knowing this basic weed measurement system helps you see what you're buying. Commonly used terms when referring to amounts like "An Eighth" or "A Twenty Sack". 3.5 grams is equivalent to ⅛ (an eighth) of an ounce.
You'll often hear “mandem” for your group of mates, “peng” meaning someone or something attractive, “wagwan” as a casual 'what's up? ', and “bruv” which stands for brother or mate. Words like “bare” mean 'a lot', and “ting” refers to a girl.
In the Scandinavian languages, Oi! or the Swedish variant, Oj!, is commonly used as an exclamation of surprise, like "Oh" or "Whoops". In Indonesian hoi, oi, and woi (from Cantonese 喂 (wai2) and Hokkien 喂 (oeh)) are used to call someone. In Philippine languages the equivalent is hoy or oy, sometimes pronounced uy.