The Collaborative International Dictionary
Hole in the air
Hole in the air \Hole in the air\ (A["e]ronautics) same as Air hole, above; an air pocket.
Usage examples of "hole in the air".
So I threw her my best parade ground salute and got out so fast I left a hole in the air.
He seemed strangely blank, not there, a disturbing hole in the air where his body was visible, as if he were no more than a moving puppet.
He turned to one of them and dived into it, slipping away, as though it were a hole in the air.