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."
Prices shown in USD.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.