plural of cat-flap

A device that allows water to flow in one direction only through a culvert; it is used especially to drain surface water from coastal marshes at low tide

plural of mud flap

A flap that hangs down behind a vehicle's wheel so that mud and other things kicked up by the wheel will hit the flap instead of a vehicle behind.

To flop or flap about.

The repeated stroke of something long and loose. / (obsolete) A coster's dance. / (obsolete) A form of somersault. / (obsolete) A cracker.

With a repeated flapping movement.

plural of cat flap

(rare, chiefly in the plural, vulgar, slang) A woman's labium.

plural of piss flap