1 definition by Mi Calina

Act according to one's own desires or beliefs without regard for standards for social behavior, logical sensibility, or the approval of others.

Generally regarded as negative, irresponsible
"I apologize for my friend's uncouth behavior, he tends to fly by the seat of his pants"

"Don't fly by the seat of your pants; make real plans for your future"

by Mi Calina April 29, 2007
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