verb; to work in an acceptable way, or will realistically happen.
Don't even try that. It ain't gonna fly.
To try to hit the ground, and miss.
See: Douglas Adams, Hitchhikers guide to the galaxy, hitchhike, don't panic, fall
the act of completeing a short errand which serves a group purpose by means of mechanical locomotion such as an automobile, motorcycle, or even bicycle, but ironically, not any form of aircraft.
"I'll buy if you FLY."
(i'll buy us (both) pizza, if you retrieve it (resonably quickly)(for us).
v., to feel as though you're high and/or floating, especially after a BDSM-related experience mixing pleasure and pain
After about 5 minutes under Jamie's cane, Casey was flying.
Experiencing the effects of drugs.
I'm flying pretty high on some dynamite coke right now!