An expression of sarcasm whenever something that someone already knew about is declared.
Grandma: hey, Ricky Martin just came out of the closet. Turns out he was gay all along.

Me: O rly?

Grandma: Ya rly
by Potterfreak82 January 20, 2011
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Lord Mumpington: Good sir I do believe I you may have once again bested me at this game of cricket.

Brumley St.Tobin: O rly

Baron Humperscut: Ya Rly

by Smapde July 12, 2006
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Similar to r u serious, used when someone makes an assertion that you don't agree with or dont know anything about.
What you just said was the dumbest shit I've ever read.

O rly.
by Brett December 12, 2003
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bastard companion to the "O RLY?" phenomenon that has spread across the internet like an epidemic of syphillus. should never again be uttered within the confines of this world or the next.
loser #1: "O RLY?"
loser #2: "YA RLY"
winner: "STFU losers."
someone with sense: "Because 'STFU' is SO much better than 'O RLY' or 'YA RLY...'"
by Nico79 November 3, 2005
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Means "Oh really?" in "internet-language".
<Idiks> I screwed my teacher once.
<cockmongler> o rly?
by Cockmongler January 22, 2005
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Na rly is the equivalent to saying 'no not really' usually used after someone has said 'o rly'
'You suck'
'O rly'
'Na rly'
by vic_tory June 12, 2006
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Used when in lack of something else to say
Kat: I'm a turkeh and I like haddock.
Matt: ...O RLY?
by MrsMatt February 27, 2006
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