Stands for No Upgrade for U Bitch! Used by airline staff, but spreading to the queue, when some monied princess, having bought the cheapest
ticket known to man at the back of coach, demands an upgrade for her and her travelling
circus of friends and
relatives. They think just because Princess Margaret got away with it regularly to Mustique, it should be automatic for her too. It isn't. But she never gives up.
"I
swear, the next NUFUB I get checking in, I'm gonna
rip her throat out."
and
I get so embarrassed when mom tries her NUFUB tactics at
check-in. It never works.