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meaning: of course!(enthusiastically) Without a doubt, holding no question at all, sincere
Bob: Is that food good, Sam?
Sam: Oppers! It's excellent!!

Opperly the seasons change time after time, year after year.
by Little Debi April 12, 2010
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Someone who is fake and acts like your friend. Someone who acts like they know everything or they must know everything. Someone that is hated by people in general
My next door neighbor is an Opper, he constantly tries to stalk me and tries to find out what I’m always doing.
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by Svnny Skies December 24, 2018
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