More than likely, it is jargon or shorthand rather than slang. The term boards has a handful of meanings, depending on context.
It could refer to licensing boards, such as medical, psychiatric, the state bar, etc.
"Wait until the boards hear about your reckless disregard for your patients. You can kiss your license to practice medicine goodbye!"
It could refer to message boards.
"We had fun on the boards until the flame wars started."
It could also refer to telephone switchboards.
"During last night's talk show, the boards were all lit up at the studio, and many callers couldn't get in to talk to us."
The slang term chilla commonly refer to chilling. For instance, to be in the state of chillin in which all of your doing is chilling, and nothing else, is chilling.
Someone who is unruly and ignorant.
The slang term "ages" is often used to refer to a long period of time.
An Ameche is a slang term used in the United States to refer to a telephone.
a slang term used ina deerogatory way to refer to a cultural, national, or racial group.
A bazoo is a slang term used in the United States to refer to a person's mouth.
"Boggie" is a slang term used to refer to cocaine in some regions. It is a colloquial term that is not commonly used in mainstream or formal settings.
The slang term "pig" is often used as a derogatory and offensive term to refer to police officers. It is commonly used in informal or disrespectful settings.
The Yiddish slang term for riches is "gelt." It is often used to refer to money or wealth in a colloquial way.
Weiner is a slang term that is used to refer to the male reproductive organ penis.
Cabels, a mis-spelling of the word cables, is an American slang word for Police handcuffs. Other slang word for handcuffs include: bracelets and cuffs.
The word "dude" is a slang term used mostly in the United States. This term has traditionally been used to refer to men. More recently, it has become a word used for both genders. Most guys don't refer to themselves as dudes but refer to each other that way. It is a slang way to say "friend".