by the seat of your pants

Meaning

1. Oxford100% of films

   to act without careful thought and without a plan that you have made in advance, hoping that you will be lucky and be successful

   Senator McCain is somewhat a fly-by-the-seat- of-his-pants type of guy, and it does occasionally create a little chaos in the campaign.

In the movies · 1

• Senator McCain is somewhat a fly-by-the-seat- of-his-pants type of guy, and it does occasionally create a little chaos in the campaign.Game Change2012

From the same entry

• be in the driving seat
• take a back seat
• bums on seats
• on the edge of your seat