The door flapped open, The Shadow's weight behind it.

He backed out of the hospital room, looking into her eyes until the swinging door flapped shut.

The door flapped opened immediately and slammed over.

He drove up to the abandoned RV before turning east again, and saw the door was still flapping.

The open door of the pentag-building flapped with the violence of the quake.

The doors must have flapped open when the car took the dive.

The Shadow had gone out when the doors flapped open.

In that brief interval, a door of the cab flapped wide and slammed again.

A door flapped open, and a hand reached out to drag the man inside the car.

When the door to the kitchen flapped shut, Wrath said, "You have something else to ask me?"