1. The host of Nickelodeon's game show Double Dare. Also has OCD.
2. Very obsessive compulsive individual or someone who might be a neat freak.
Mike rearranged all his DVD's in order of the year they were released. Why must he be so Marc Summers.
by Dan September 19, 2004
Someone who spends a lot of time inspecting the carpet.
Guy1: I don't mind going down on her as much. I've been doing it every night.

Guy 2: Damn dude, you're turning into a real Marc Summers.
by Rufus Billingsworth February 21, 2005

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