Disbelief in sarcastic form.
(As commonly used on the show Grey's Anatomy)
Meredith: You didn't sign the divorce papers. Fine. I get it. End of discussion.
Derek: Oh... I usually just say "Meredith" and then you yell at me. I haven’t thought past that point. I actually didn’t have anything planned. Meredith hits him repeatedly with her purse
Derek: Listen! Hey stop it! Ow!
Meredith: Seriously? Seriously?!
by Laurdev September 15, 2007
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After a sentence, either sarcastic or serious when people have started laughing, use 'No seriously' to either show

A) You're serious and want them to stop laughing because it's not funny
or
B) You're taking the piss out of them by not being serious
Amy "Hey Ashlee, do you want to come with me and my extended family to woop woop for a month or two? It'll be super fun!"
Ashlee (laughs) "Yeah, a month or two in woop woop with your extended family will be super fun!"
Amy (pissed off) "No, seriously. I think I'll go ask Sarah. (under her breath) Bitch."

Jim "Dude, last night I had a totally rippin' threesome with Carmen Electra and Jessica Simpson!"
Joe (laughs) "Like fuck you did"
Jim (laughs) "No, seriously. I jacked off alone to Judge Judy."
Joe (disgusted) "Oh, dude" (leaves)
by Kateus December 29, 2005
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Often used to show excitment with underlining uncertainty.
Person 1: I had a car crash, but no one was hurt
Person 2: For seriously?!!
by textfile232 January 10, 2006
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(n); the act of being serious
Your lack of seriousity in this issue is disturbing.
by Ins0mn* March 30, 2005
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a word someone uses to imply they are meaning something for real, but with the added "e" on the end, just ends up making people laugh with "couriouse" giggles.
Ronald G Wainwright+ has an audi v8q that makes 181whp for seriouse racing.
by derek "derracuda" W January 06, 2008
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The thing Urban Dictionary lacks in its users, For more information, go to 42
Guy 1: Hey dude, have you ever seen seriousness on Urban Dictionary?
Guy 2: I never have, man.
UD User: HI I WILL give uo frtreee serioasneess jst go 2 scam.bum/scam
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