1.   The woman managed to fight him off and the car sped away with its passenger door flapping open.

2.   Bowling shirts flap open over skinny ribbed tops that zip at the neck.

3.   He said the rough waters caused a cover on the sewage storage tank to flap open and leak odors.

4.   Tight-fitting shirts were unbuttoned to the waist and jackets flapped open over bare torsos.