A person who always has a better story then the one just told
I said I'd seen the band twice, but my friend the one uper, said he'd seen them four times
by The 2112 Hollilama November 10, 2018
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The Worst Slur to call someone. Meaning is worse than the N-word, Lower than scum, Worse than Retard. Acts Like a moron all the time. Disrespectful to all People
Yeah, Derick is a Uper, always Acts Stupid around everyone.
by F-Derick November 4, 2021
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