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Used to describe one who lives by the assumption that right-handedness is the standard, preferred, and only mode of handedness and that things associated with left-handedness are generally evil.
Steven: I found out Nils is left-handed today...

Michael: Oh my God. I can't believe this shit; I had no idea.

Steven: Yeah, you can never really be prepared for that sort of thing. I don't think I can be friends with him anymore.

Michael: Yeah, me neither. He's dead to me.

Sophie: What the fuck you guys?! You're being so dextronormative!!!
by Canadajin November 08, 2009
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