on the fly

describing something done in a casual or informal manner; also, something said or done quickly or in passing.

"I just processed that order on the fly without making any notes."

"I don't remember mentioning anything about the party to Jenn's sister, must have said it on the fly."

by hipster July 09, 2005

fly

cool, in style

He was drivin some fly ass car

by Anonymous June 17, 2002

fly

verb; to work in an acceptable way, or will realistically happen.

Don't even try that. It ain't gonna fly.

by New York person December 01, 2005

fly

To try to hit the ground, and miss.

See: Douglas Adams, Hitchhikers guide to the galaxy, hitchhike, don't panic, fall

by The boy who picked flowers and made people sing May 22, 2003

fly

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).

by mainframe November 01, 2003

Fly

something or someone that is particularly attractive and rich.

I wake up fly .

I'm fly af Bre Bre.

Better cop you something from @Flylife_clothing_apparels on Instagram.

by MellyConjure November 09, 2017

on the fly

In the food industry, when a server has the kitchen haul ass making a dish he/she either forgot or that the customer ordered last minute. A dish "on the fly" is top priority.

"Oh shit, I forgot the manicotti! Well, I better tell the kitchen to make it on the fly"

by yomomo March 20, 2008