Unphair Share definition Flag adj. Uncharacteristic behavior, particularly selling out. Refers to Liz Phair's recent attempt to reinvent erself as Brtiney Spears. "Dude, did you catch the new Death cab for Cutie album?" "Yeah, don't get it. Totally unphair." Unphair by T. Barr June 28, 2008 0 0 Get merch Get the Unphair mug. Buy Now — $32.95 See more merch