When the guy cums in the girl's ass (/cockpit) and then she shoots it out in a spray of diarrhea-ejaculate mixture.

A device that is heavier than air, with wings that are fixed in place, and can fly. Usually accompanied by at least one pilot.

Airplanes are great fun to fly, and like any tool can be used for good or evil.

A thing in the night sky that most people pretend are shooting stars because they can really use a wish right now

When you stick something up someone's ass crack

airplane is a hilarious movie that cannot be taken seriously. Its a classic movie even though its children offspring (airplane 2 and 3) were failures. if you haven't seen this movie... WATCH IT!!!

performed during doggie style sex when the male partner reaches forward, grabbing the woman's arms and extending them outward, steering her back and forth like an airplane; it is often accompanied by jet noises. The airplane can sometimes lead to the maneuver known as the "terrorist", which is performed by the man simply letting go of said partner's arms.

A vehicle that is better than a woman in every way possible.
It also goes fast and is the safest vehicle statistically.