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A young adolescent man (Name who commonly begins with R) who believes he truly is better than everyone else. A Mumple lies about many things in order to make others believe he is someone he is not. These include pulling bitches, his penis size, and his love life. A Mumple also makes others feel bad to comfort his ego and own insecurities, and brings down other "friends" to make himself feel better. He lives in the shadow of his older brother who is 10x more attractive and secure than himself. Mumples like to chat shit about their own friends behind their backs, in order to make himself look better. Nobody likes this individual, but no one knows knows how to get rid of him.
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