Zac O'Hara Share definition Flag kid who can be really gay at times but at other times he's really funny. Dude Zac O'Hara's here...He can be gay at times but right now he's really funny. Zac O'Hara by donkeysex2435 June 18, 2009 0 0 Get merch Get the Zac O'Hara mug. Buy Now — $32.95 See more merch