Noun
freak flag (plural freak flags)
(idiomatic) Unconventional or unrestrained behavior; extreme, nonconformist views; the side of one's personality which harbors a tendency toward such behavior or such views.
White collar conservative flashin down the street, pointing that plastic finger at me, they all assume my kind will drop and die, but I'm gonna wave my freak flag high. Jimi Hendrix
I don't judge others. I say if you feel good with what you're doing, let your freak flag fly. Sarah Jessica Parker
I am a big believer in letting your own personal freak flag fly. Kirsten Vangsness