What does GBB stand for?
GBB stands for "Go to Back of Bus"
How to abbreviate "Go to Back of Bus"?
"Go to Back of Bus" can be abbreviated as GBB
What is the meaning of GBB abbreviation?
The meaning of GBB abbreviation is "Go to Back of Bus"
What does GBB mean?
GBB as abbreviation means "Go to Back of Bus"
