verb.

To look down on someone or assume a position of superiority.
"Dude... I hate those upnosin' snobs down at Starbucks."

"Don't upnose me, motherfucker!"
by vuudoodude April 25, 2014
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When a liquid you're drinking is spontaneously laughed up and out your nose.
That comic was so funny I upnosed my Pepsi.
by perkiset June 29, 2010
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