1 definition by Tiffany Liu

Seven-up or 7-up refers to how attractive the opposite sex is. On a scale of 1-10, this particular person is a 7 or higher. It is more discrete when referring the opposite sex as a 7-up.
"Hey, that guy is a 7-up", "There's no seven-ups here tonight"
by Tiffany Liu August 6, 2008
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