B.Y.O.B. 全称和解释是什么

BYOB很多解释，吃饭时候可以说bring you own beer打仗时候Bring Your Own Bombs现在一般都是说bring you own beer(自带酒）

楼上说的也可以，如果你是指歌，那就应该是
B.Y.O.B." (Bring Your Own Bombs) is a Grammy Award-winning song and the first single released from System of a Down's fourth album Mezmerize.
带上你自己的炸弹！
还有很多意思如 "Bring Your Own Booze", "Bring Your Own Beer" or "Bring Your Own Bottle".

还有Bring Your Own Bag（带上你的塑料袋--香港环保的口号）
至于是哪一个，你 自己决定

bring your own beer
酒类自带，请自携酒，饮料自带

bring your own booze!

酒类饮料自带。