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1.
1. to pilot a plane by feel and instinct rather than by instruments

2. to proceed or work by feel or instinct without formal guidelines or experience
It's during a time like that that you must fly by the seat of your pants.
by Light Joker April 30, 2006
164 55
 
2.
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
60 82