Paste unoriginal joke here)
The last thing you want to do is get on a plane that doesn't go all the way.
A mocking bird!
It's a matter of a pinion(http://www.merriam-webster.com/dictionary/pinion).
Because theres so many wings and wongs you wing the wong number.
Banta: Because people started licking the wrong side of it for pasting them on the envelopes..