Fasten your seat belts, please.

Hmm..maybe because the men that are in it?

The person who steers the boat is called the coxswain.

From Answer Bag.....

The first "cockpits" were actual pits in the ground constructed (to the extent that one "constructs" a pit) to house "cockfights" to the death between game cocks (essentially very belligerent chickens). Cockfighting, a barbaric "sport" usually conducted for gambling purposes, probably originated in ancient China and remains distressingly popular around the world.

As a name for the scene of such grisly matches, "cockpit" showed up in English in the 16th century. By the 1700's, "cockpit" was being used as a metaphor for any scene of combat, especially areas (such as parts of Belgium and France) known as traditional battlefields. "Cockpit" was then adopted by pilots in World War I, who applied it to the cramped operating quarters of their fighter planes. Our modern sense of cockpit includes the entire crew areas of large airliners, which are usually fairly spacious and not, one hopes, the scene of conflict.

And there you have it Tribbles!!

Penispit might be misconstrued?

I came here to post a real answer and realized I can't top any of them. Enough said!

Ok now, this was pretty darn funny!

Because vaginapit had too many syllables

Possibly because of all the Barn-Storming in the early days!