Flagett Share definition Flag When one is the only male on a colorguard squad and has a special affinity for the male sex. Trey was the only boy on color guard and crush on Logan in the Marching Band, therefore Trey was a flagett. Flagett by Carnagie Humbug October 22, 2008 0 0 Get merch Get the Flagett mug. Buy Now — $32.95 See more merch