flaps

Labia majora and minora surrounding the exterior of the vagina.

a) Aerodynamic devices found at the trailing edges of aircraft wings, used to augment lift at a lower speed during takeoff and landing.
b) The meaty lips you love to nibble on when you go muff diving

They can either keep mud off your car, or envelope your knob.

Derogatory for workers at big box/chain, auto parts retailers that employ low skilled workers. F-ucking L-ocal A-uto P-arts S-tore.

affectionate name given to a close friend, particularly used for storing said friend in your mobile phone book.

derived from the fact your heart flaps or flutters when you see you have a message from them.
may be preceded or followed by an X showing extra love or sexual desire

Erstwhile and previously undisclosed girlfriend of Flipper the Friendly Dolphin

A hinged section of an aircraft's wing which allows the aircraft to fly slower but also generates enough lift to stay aloft.