The name of a person who misses their
flight because they drinking heavily in the airport
bar.
Alternate meaning: Anyone acting
like an ass on an airplane.
Dude, I'm such a flightnard! I got wasted in airport pub at Heathrow and missed my
flight to Hamburg.
Alternate usage: I heard the stewardesses making fun of a flightnard in first class that kept farting on the plane to
Amsterdam.