The meaning of the Acronym GBA is...

GBA is

• Great Blasting Action
• God Bless America

More Meanings For GBA:

• Game Boy Assembly
• Gemeentelijke Basis Administratie
• Graduate Business Association
• Garlic Bread Award
• Game Boy Advanced
• Great Blasting Action
• God Bless America
• Groovy Brilliant Accent
• Glasgow Baseball Association
• Big Bay, Vanuatu

GBA is also in:

• Airport Codes
• Assembly
• Funnies
• Media
• Military
• Products
• Software
• Sports
• Universities