Definitions by member of a B.A.C.K.

B.A.C.K. 

initials of four friends who know that no matter how many miles separates one friend from the others, they will always be best friends.

Those four girls are a group of B.A.C.K.(s).

B.A.C.K. by member of a B.A.C.K. February 5, 2008