The act of dating and not dating someone at the same time.
You didn't hear? I broke up with my girlfriend about a month ago. Now we're just quantum dating.
by Bungalow Bill April 17, 2002
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In romantic terms, that practice which constitutes the smallest possible amount of dating, which can still be considered dating.
I meet Caroline on the way in to work at the same time every day, and for the smallest fraction of a second longer than would occur strictly by chance our eyes lock together, and nothing else worth noting happens but we're cool about it. I guess you could say we're quantum dating.
by Fearman December 12, 2007
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