Informal. Greeting. Colloquial version of "What's crackin'?", with the added bonus of being nowhere near as white as asking "What's cracka-lackin'?".
A way to ask someone what's happening in their life, and popularised by the song "
Take a step back" by
Ski Mask The Slump God and
XXXTENTACTION.
"Yo, what's
frackin?"
"
Kevin I really
wish you would stop saying that."