To be on a different level of serious.
You: "No dude...you can't be serious.."

Me: "Dude, on a scale from 1 to serious, I'm snerious."
by Reid. December 21, 2008
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A more emphasized version of serious, usually used when something is unbelievable; used in the same context as no way.
A: I found a $50 bill on the sidewalk yesterday.
B: Whoa, are you snerious?
by edw007 August 23, 2007
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a cooler way of saying seriously.
the best way seriously could be said.

invented by sara boland(:
Tom: "Dude, i got so wasted last night"

Bill: "Sneriously?"

Tom: "Sneriously, d00d."

Bill: "HMPH :|"
by Sara Vengeance January 4, 2009
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