The counterintelligence unit used flaps and seals to monitor suspects' correspondence without alerting them.

We installed two dog flaps in the kitchen doors so the dogs could access the garden.

The old tent had several torn piss flaps that let the wind whistle through at night.

At the beach party, the mascot was ridiculed for wearing bright pink piss-flaps that left everyone in stitches.

In the South Pacific, villagers often grill mutton flaps over an open fire because the fatty rib cut of sheep keeps them full for longer.

When I installed cat flaps on the back door, the neighborhood strays started visiting every evening.

When he whispered, tiny lip flaps betrayed his nervousness.

The tailor examined the French flaps carefully before sewing them onto the jacket.

The toy box was overflowing with colorful flip-flaps that rattled whenever the table was bumped.

I installed two pet flaps in the garden fence so the cats could come and go.