What does QBF stand for?

QBF stands for "Are you flying in a cloud?"

How to abbreviate "Are you flying in a cloud?"?

"Are you flying in a cloud?" can be abbreviated as QBF

What is the meaning of QBF abbreviation?

The meaning of QBF abbreviation is "Are you flying in a cloud?"

What does QBF mean?

QBF as abbreviation means "Are you flying in a cloud?"