The meaning of the Acronym USB is...

USB is

• Useless Steam Blowhole

More Meanings For USB:

• Universal Serial Bus
• Universal Serial Bus
• Universal Serial Bus
• Universal Serial Bus
• Universal Serial Bus
• Useless Steam Blowhole
• Undergraduate School of Business
• University of South Berkly
• Ultra Stupid Butthead
• Unused Stupid Brake
• Utterly Stupid Blooper
• U Suck Bitches
• Unusually Slow Bus
• Ultimate Security Breakdown
• Unstable Synthetic Brain

USB is also in:

• Adults
• Assembly
• Drivers
• Electronics
• Funnies
• General
• Geology
• Hardware
• Science Fiction
• Universities