customer of size n. an overweight or overlarge airline passenger. Also passenger of size. (source: Double-Tongued Dictionary)
Further reading
The history of the word passenger, meaning “someone on some sort of conveyance,” is a bit surprising. In the 1300s, a passager was the pilot of a ferry, not one of the other people on board. Later passager acquired what linguists call an...
How did the word gay go from meaning lighthearted to homosexual? Also, why are elementary schools sometimes called grammar schools? Plus, imeldific, gone pecan, random Scrabble words, and the difference between borrow and lend. And the etiquette of...