Orly

From OTwiki

O RLY? is an abbreviation for "Oh, really?" and is an Internet phenomenon, featuring a Snowy Owl. The phrase "O RLY?" is typically sarcastic or sardonic manner, often in response to a statement that the speaker feels is obvious, or blatantly false and/or self-contradictory. Some forum trolls may also reply "O RLY?" in response to a lengthy or overly detailed post. The image itself is quite old now and is no longer funny on OFF-TOPIC. The text itself may still find itself being used from time to time.