used to describe something that is bustling with activity; fun; cool; awesome
The bowling alley is happenin' right now.

Whoah Harold, your sunglasses are happenin'.
by shimpals April 10, 2006
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mean's how are you doing; what are you about to do; another word for what's up most people use it that live in ATL is a song by trap squad
Aye shawty what's happenin with you? What's happenin tho Hey What's happenin
by Kimmiepimpin September 25, 2005
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1. A phrase used to inquire how someone is or what someone is doing.
2. A code used to ask a drug dealer if he has and can provide narcotics.
1. Anthony: What's happenin?
Steve: Nuttin chillin.
2. Rob: Hello...
Mark: Ey wassup Rob, what's happenin?
Rob: Nuttin dawg, what you need?
by Jay-Roll March 30, 2006
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