on the fly
adv
RareNot in standard dictionaries
1
While in the air, without having touched the ground.
2
Spontaneously or extemporaneously; done as one goes, or during another activity.
3
On the move.
Thesaurus
#slang
While in the air, without having touched the ground.
Spontaneously or extemporaneously; done as one goes, or during another activity.
On the move.