being hungover on an airplane. usually is a result of the final night of a vacation or, if you are in college and commute to and from school via airplane, a result from getting fucked up as possible to celebrate the end of exams.
Girl #1 - how was your flight home?
Girl #2- awful. i had a terrible planeover and puke all over the tsa agent.
Girl #1- shot number 10!
Girl #2- dude your flight leaves in six hours... you're gonna have a huge planeover.