Perhaps, thanks to dating apps like Tinder and online dating sites like Match, you are even a serial dater A serial dater, as per Urban Dictionary, is commonly defined as “one who engages in the process of systematically dating an obscene amount of people in a short span of time”. Chances are you know a serial dater or two– especially if you live in a big city. If so, reading this blog post might even feel a bit like looking in the mirror. If you are wondering if you are dating a serial dater, don’t worry there will be plenty of clues-typically in texts like this: As you can imagine, being a Dating & Relationship Coach as well as a Matchmaker in NYC for almost a decade, I’ve encountered plenty of serial daters.