The meaning of the Acronym NBA is...

NBA is

• Not By Accident
• Now Being Arrested

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
• Narcissism Beats Accord
• No Brains Allowed
• No Boys Allowed
• Next Big Actor

NBA is also in:

• Adults
• Food
• Funnies
• Software