The meaning of the Acronym HMSB is...

HMSB is

• Hummer, Slant Back
• Heavy Metal Screen, Blood
• Hannah Montana Sticker Books

More Meanings For HMSB:

• HAZMAT Sign Builder
• Hummer, Slant Back
• Heavy Metal Screen, Blood
• Hannah Montana Sticker Books

HMSB is also in:

• Products
• Software