o rly Share definition Flag Phrase commonly said by a very angry white owl. When the sound is heard, one can expect to have their eyes pecked out. Often seen with the ya rly and no wai owls. Person 1: There's an o rly owl that tree over there! Person 2: o rly? Person 1: ya rly, that's why my eyes are bloody pulps. Person 2: NO WAI!!! o rly by Moonside November 14, 2005 Get the o rly mug.