The meaning of the Acronym LB is...

LB is

• Large Bowel
• Large Breasts

More Meanings For LB:

• Load Byte
• List Block
• Linux Box
• Low Battery
• Load Balancing
• Lock Bit
• Lame Brain
• Lover Boy
• Lookin Better
• Loudmouth Bum
• Little Because
• Lucky Bastard
• Little Btch
• Long Base
• Liimii Bug

LB is also in:

• Assembly
• Astronomy
• Botany
• Chat
• General
• Hardware
• Networking
• Security
• SMS