The meaning of the Acronym ESB is...

ESB is

• Essential Switching Box

More Meanings For ESB:

• Emagic System Bridge
• Extra Shitty Beer
• Extra Special Bitter
• Extra Special Beer
• Extra Special Braindamage
• Evil Shadow Bunny
• The Empire Strikes Back
• Electrcity Supply Board
• Empire Strikes Back
• Everlasting Slip Bobber
• Enterprise Service Bus
• Emigrant Savings Bank
• Easy Steady Balance
• Everyone Sucks Butmine
• Embedded Sensor Board

ESB is also in:

• Adults
• Food
• Funnies
• Science Fiction
• Software
• Unfiled