frequent flier

noun3

1. •
   A person who flies frequently on commercial airliners.

   • As he flew home every weekend, he considered himself a frequent flyer.
2. •
   (informal, disapproving) Someone who is habitually a nuisance.

   • Drunks tend to be the most common frequent flyers.
3. •
   (slang, offensive) A patient who frequents a health facility with minor complaints or malingering.