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Nonrev (Non revenue), a term commonly used by airline employees. When airline employees travel for free on their benefits, they are traveling space-available since they are not paying passengers. Can also be used as "Nonrevs" "nonreving"
FA 1 " Hey let's go nonrev to orlando for the weekend!"
FA 2 "okay!"

"Those nonrevs in first class are so fucking needy"
by msoucie May 04, 2013