What's going on? What's happening?

A phrase used as an exclamtion of joy. Derived from a term used by Blacks when they were happy that there were no White people, or 'Crackas' present; hence, Cracka lacking.

Synonym: Cool

It means Whats Happinin'. OR Whats up?

According to Snoop Dogg on a recent appearence on the Conan'o'Brian Show, to add preservatives to "crackin"

Everything's swell.

Comes from cracking, as in "let's get cracking" or "let's get started"

use as u would use what's cracking? replace crackin with crack-a-lackin'

Synonymous with the commonly used phrase, "What's up"? Used by one who is looking to find an agenda of recent events.

The phrase "What's crack-a-lackin'?" originated in ghettos, and was used by thugs and gangsters to find out the news about any recent crimes committed in the area ('crack-a-lack' is derived from sound a gun makes when fired).