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A random character or set of characters in a Text message or Email that is know to not have anything to do with the message and is usually discarded or omitted.
Joe: Did you get the text from Tom?
Steve: Yeah, but what were those letters at the end about?
Joe: IDK, I think it was just a Discardachter.
Steve: Oh ok, Tom does have an lg shine.
by H3boy April 29, 2010