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1.
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
 
2.
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