Slang used around me in Recording Studios over the Years, these are some of the more polite terms..lol

All up in my biznezz: when someone is meddling in your affairs or dealings.   
Say word: To swear you're telling the truth.
Peace out: a farewell remark. To say to someone, especially a friend, "good bye."

...and few from my birthplace in Glasgow, Scotland:

"Whit you aw aboot?"
[Please note: this phrase has a few meanings]
Pardon me awfully, but what do you mean/what are you doing/what are you saying?
"It's pure baltic man"
it's frightfully chilly
"Am boltin, see ye the morra"
Cheerio Folks, I'm leaving now. It's been a pleasure and I do hope to see you tomorrow
"Yoor a pure steamer by the way"
Oh dear, you appear to be rather inebriated
"Am gawn intae the toon oan a man-hunt"
I've been feeling terribly lonely lately an….and…..I would dearly like the company of a young gentleman. A nice cup of tea and sociable conversation would be just darling!:>)
"Oot ma face fore a gie ye a doin" (one of my personal favs!)
I'm feeling extremely upset and would like you to leave as I may loose control!
Wain – This is a popular term-of-endearment for infants.
Hen/Doll – (For women) Two very commonly used terms for females.
Ginger - This is the name given to all types of Soda or fizzy drink.

Irie All (Meaning: positive feelings, positive energy, to be one with Creation. )
Jude