0 in basketball, an attempt to throw the ball into the basket that completely misses it and the board behind it:
1 in basketball, to try to throw the ball into the basket but completely miss it and the board behind it:
He airballed the attempt at a three-pointer.
For a basketball player who does this for a living, shooting an airball is not a good thing.
There's nothing worse than an airball in basketball.
He airballed a long 3-pointer.