O RLY? = Internet Sarcasm

“O RLY” is a sarcastic expression of disbelief, commonly used as a biting response when other people make blatantly false statements.  Coined in 2002, the O RLY expression is commonly used in discussion forums, online chat, and MMO gaming. It has also been immortalized at the 4chan website as a visual meme of a snowy owl.  Read more about the O RLY expression here…

Original post by CNET News.com