Blue collar, white collar, pink collar, but fuel collar?

Sophie

Fuel collar refers to those either in the travel industry or who very regularly travel as a part of their job, i.e. door to door salesmen, field salesmen, airline pilots, etc. They spend the bulk of their time traveling, consuming quite amount of fuel.

For example:
Her boy friend is a fuel collar. He works for an airline company and travels a lot.

GOT IT？ Have a nice day\(^o^)/~

Cinderella

yeah, got it