The Full form of B4 is Before, or B4 stands for Before, or the full name of given abbreviation is Before.
Before is known as B4.
B4 all full forms
All the above full forms are related to B4. A little information is given about one of these full forms. If you are not satisfied with the information given about 'Before (B4)', then comment. Or if you know more about 'Before (B4)', then write.