Meaning : Back at you
Category : Internet Chat
Sub Category : Slang
Type : Initialism
What does BAU mean or stand for ?
Back at you is a slang phrase that is used in urban communities in the US by young people to say -same to you.It is now also used online with the initialism BAU and means the exact same thing.When someone says – have a great day at school,you reply – Back at you!