This is the 10866th most frequent Russian word.
выломать
To break out or force out.
The verb "выломать" indicates the action of breaking forcibly through the door, achieving an opening.
Он смог выломать дверь без инструментов.
He managed to break the door open without tools.
Here, "выломать" is used to describe the attempt to forcefully open a window that wouldn't open otherwise.
Она пыталась выломать заклинившее окно.
She was trying to force open the stuck window.
In this context, "выломать" signifies the removal of an obstruction (a plank) by breaking it.