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Swearious is a word that you use when you want to swear and be serious at the same time
Teacher: Hey you stop that
Kid:Oh are you swearious i wasn't the only one !!!
by MOOmoo8 September 11, 2012
To swear to be serious. So serious that you swear upon it. Uber serious.
"Did you really see my girlfriend cheating on me?"

"Dude, I'm am swearious"
by Annieme April 22, 2008
To Swear and be Serious at the same time.
And I was like, "You kidding me,are you swearious?
by xXalmondjoyXx January 08, 2006