Any person who, through improper or excessive use, ruins jokes, quotes, or catchphrases.
Snell can also be used to describe items that are no longer humorous due to such a person.
David: Guess who doesn't have work this week.
Paul: I'd say, "a prick," but that one's totally snell now. Thanks, Robert.
This would generally be followed by glares directed toward the Snell of the group, who would then repeat another phrase that they had made snell.
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