The state of one's dress when wearing dark-colored yet trendy/fashionable clothes at night so as to remain inconspicuous.
Person 1: Dude look, I'm wearing my Oakleys and my black cashmere Gap sweater and matching scarf, nobody can see me.
Person 2: Dude you're fashionably incognito! Like ohmygawd, where did you get those shoes??
Person 2: Dude you're fashionably incognito! Like ohmygawd, where did you get those shoes??
by matt January 05, 2005