The meaning of the Acronym NBA is...

NBA is

• National Benevolent Association
• National Business Association
• Narmada Bachao Andolan

More Meanings For NBA:

• New Button Action
• No Bullshit Allowed
• Nothing But Assholes
• No one Biting Ass
• National Beef Association
• Nothing But Atrocity
• Nothing But Arrogance
• Not Boring At all
• Neutered Bland Assimilation
• Nice Blotter Acid
• Nail Biters Anonymous
• Nobody But Aging
• Not Big Anymore
• No Balls Allowed
• Nothing But Airballs

NBA is also in:

• Adults
• Food
• Funnies
• Software