fuite en avant

Reckless sequence of actions taken to escape from circumstances deemed dangerous and which one does not want to face.; Used other than figuratively or idiomatically: see fuite, en, avant.

“De plus, le cône de la bourre, s'épanouissant par la pression, colle le long des parois de l'arme et prévient toute fuite en avant du projectile.” — What's more, the cone of the wadding, which expands under pressure, sticks to the sides of the weapon and prevents the projectile from flying forward.

Literally, “flight forward”. Compare German Flucht nach vorn, Spanish huida hacia adelante.